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Message-ID: <202106220428.eP8tHrNb-lkp@intel.com>
Date: Tue, 22 Jun 2021 04:13:20 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Miguel Ojeda <ojeda@...nel.org>,
Lars Poeschel <poeschel@...onage.de>,
linux-kernel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
Willy Tarreau <willy@...roxy.com>,
Ksenija Stanojevic <ksenija.stanojevic@...il.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] auxdisplay: panel: Switch to use
module_parport_driver()
Hi Andy,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.13-rc7 next-20210621]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/auxdisplay-panel-Switch-to-use-module_parport_driver/20210617-050100
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6b00bc639f1f2beeff3595e1bab9faaa51d23b01
config: powerpc-randconfig-r016-20210621 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project e1adf90826a57b674eee79b071fb46c1f5683cd0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/0day-ci/linux/commit/e05c6842e04754d31229738b77ce7166b2fa15c8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Andy-Shevchenko/auxdisplay-panel-Switch-to-use-module_parport_driver/20210617-050100
git checkout e05c6842e04754d31229738b77ce7166b2fa15c8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
__do_insb
^
arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/auxdisplay/panel.c:43:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:122:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/auxdisplay/panel.c:43:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:124:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/auxdisplay/panel.c:43:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:126:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/auxdisplay/panel.c:43:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:128:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from drivers/auxdisplay/panel.c:43:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:130:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
>> drivers/auxdisplay/panel.c:1617:3: error: void function 'panel_attach' should not return a value [-Wreturn-type]
return -ENODEV;
^ ~~~~~~~
13 warnings and 1 error generated.
vim +/panel_attach +1617 drivers/auxdisplay/panel.c
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1520
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1521 static void panel_attach(struct parport *port)
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1522 {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1523 int selected_keypad_type = NOT_SET;
9be83c0a44de0c59 drivers/staging/panel/panel.c Sudip Mukherjee 2015-05-20 1524 struct pardev_cb panel_cb;
9be83c0a44de0c59 drivers/staging/panel/panel.c Sudip Mukherjee 2015-05-20 1525
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1526 /* take care of an eventual profile */
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1527 switch (profile) {
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1528 case PANEL_PROFILE_CUSTOM:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1529 /* custom profile */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1530 selected_keypad_type = DEFAULT_KEYPAD_TYPE;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1531 selected_lcd_type = DEFAULT_LCD_TYPE;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1532 break;
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1533 case PANEL_PROFILE_OLD:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1534 /* 8 bits, 2*16, old keypad */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1535 selected_keypad_type = KEYPAD_TYPE_OLD;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1536 selected_lcd_type = LCD_TYPE_OLD;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1537
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1538 /* TODO: This two are a little hacky, sort it out later */
2d35bcf66c61d696 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1539 if (lcd_width == NOT_SET)
698b1515f0391438 drivers/staging/panel/panel.c Willy Tarreau 2008-11-22 1540 lcd_width = 16;
2d35bcf66c61d696 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1541 if (lcd_hwidth == NOT_SET)
698b1515f0391438 drivers/staging/panel/panel.c Willy Tarreau 2008-11-22 1542 lcd_hwidth = 16;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1543 break;
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1544 case PANEL_PROFILE_NEW:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1545 /* serial, 2*16, new keypad */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1546 selected_keypad_type = KEYPAD_TYPE_NEW;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1547 selected_lcd_type = LCD_TYPE_KS0074;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1548 break;
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1549 case PANEL_PROFILE_HANTRONIX:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1550 /* 8 bits, 2*16 hantronix-like, no keypad */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1551 selected_keypad_type = KEYPAD_TYPE_NONE;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1552 selected_lcd_type = LCD_TYPE_HANTRONIX;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1553 break;
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1554 case PANEL_PROFILE_NEXCOM:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1555 /* generic 8 bits, 2*16, nexcom keypad, eg. Nexcom. */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1556 selected_keypad_type = KEYPAD_TYPE_NEXCOM;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1557 selected_lcd_type = LCD_TYPE_NEXCOM;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1558 break;
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1559 case PANEL_PROFILE_LARGE:
429ccf058bc20173 drivers/staging/panel/panel.c Henri Häkkinen 2010-06-12 1560 /* 8 bits, 2*40, old keypad */
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1561 selected_keypad_type = KEYPAD_TYPE_OLD;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1562 selected_lcd_type = LCD_TYPE_OLD;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1563 break;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1564 }
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1565
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1566 /*
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1567 * Overwrite selection with module param values (both keypad and lcd),
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1568 * where the deprecated params have lower prio.
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1569 */
1a4b2e3e6c65655c drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1570 if (keypad_enabled != NOT_SET)
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1571 selected_keypad_type = keypad_enabled;
1a4b2e3e6c65655c drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1572 if (keypad_type != NOT_SET)
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1573 selected_keypad_type = keypad_type;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1574
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1575 keypad.enabled = (selected_keypad_type > 0);
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1576
1a4b2e3e6c65655c drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1577 if (lcd_enabled != NOT_SET)
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1578 selected_lcd_type = lcd_enabled;
1a4b2e3e6c65655c drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1579 if (lcd_type != NOT_SET)
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1580 selected_lcd_type = lcd_type;
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1581
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1582 lcd.enabled = (selected_lcd_type > 0);
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1583
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1584 if (lcd.enabled) {
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1585 /*
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1586 * Init lcd struct with load-time values to preserve exact
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1587 * current functionality (at least for now).
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1588 */
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1589 lcd.charset = lcd_charset;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1590 lcd.proto = lcd_proto;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1591 lcd.pins.e = lcd_e_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1592 lcd.pins.rs = lcd_rs_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1593 lcd.pins.rw = lcd_rw_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1594 lcd.pins.cl = lcd_cl_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1595 lcd.pins.da = lcd_da_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1596 lcd.pins.bl = lcd_bl_pin;
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1597 }
733345ec4ee37568 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-11 1598
87b8e0c88195cfc9 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1599 switch (selected_keypad_type) {
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1600 case KEYPAD_TYPE_OLD:
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1601 keypad_profile = old_keypad_profile;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1602 break;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1603 case KEYPAD_TYPE_NEW:
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1604 keypad_profile = new_keypad_profile;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1605 break;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1606 case KEYPAD_TYPE_NEXCOM:
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1607 keypad_profile = nexcom_keypad_profile;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1608 break;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1609 default:
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1610 keypad_profile = NULL;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1611 break;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1612 }
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1613
a8b2580b736746a4 drivers/staging/panel/panel.c Mariusz Gorski 2014-11-27 1614 if (!lcd.enabled && !keypad.enabled) {
f43de77c9dddba86 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-10 1615 /* no device enabled, let's exit */
30f468b2ea7a75aa drivers/misc/panel.c Geert Uytterhoeven 2017-02-06 1616 pr_err("panel driver disabled.\n");
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 @1617 return -ENODEV;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1618 }
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1619
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1620 if (port->number != parport)
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1621 return;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1622
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1623 if (pprt) {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1624 pr_err("%s: port->number=%d parport=%d, already registered!\n",
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1625 __func__, port->number, parport);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1626 return;
f43de77c9dddba86 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-10 1627 }
f43de77c9dddba86 drivers/staging/panel/panel.c Sudip Mukherjee 2015-02-10 1628
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1629 memset(&panel_cb, 0, sizeof(panel_cb));
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1630 panel_cb.private = &pprt;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1631 /* panel_cb.flags = 0 should be PARPORT_DEV_EXCL? */
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1632
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1633 pprt = parport_register_dev_model(port, "panel", &panel_cb, 0);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1634 if (!pprt) {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1635 pr_err("%s: port->number=%d parport=%d, parport_register_device() failed\n",
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1636 __func__, port->number, parport);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1637 return;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1638 }
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1639
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1640 if (parport_claim(pprt)) {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1641 pr_err("could not claim access to parport%d. Aborting.\n",
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1642 parport);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1643 goto err_unreg_device;
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1644 }
7005b58458e4beec drivers/staging/panel/panel.c Willy Tarreau 2008-11-13 1645
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1646 /* must init LCD first, just in case an IRQ from the keypad is
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1647 * generated at keypad init
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1648 */
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1649 if (lcd.enabled) {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1650 lcd_init();
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1651 if (!lcd.charlcd || charlcd_register(lcd.charlcd))
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1652 goto err_unreg_device;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1653 }
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1654
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1655 if (keypad.enabled) {
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1656 keypad_init();
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1657 if (misc_register(&keypad_dev))
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1658 goto err_lcd_unreg;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1659 }
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1660 return;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1661
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1662 err_lcd_unreg:
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1663 if (scan_timer.function)
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1664 del_timer_sync(&scan_timer);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1665 if (lcd.enabled)
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1666 charlcd_unregister(lcd.charlcd);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1667 err_unreg_device:
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1668 kfree(lcd.charlcd);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1669 lcd.charlcd = NULL;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1670 parport_unregister_device(pprt);
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1671 pprt = NULL;
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1672 }
e05c6842e04754d3 drivers/auxdisplay/panel.c Andy Shevchenko 2021-06-16 1673
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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