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Message-ID: <202011220212.67mBjHm4-lkp@intel.com>
Date: Sun, 22 Nov 2020 02:07:16 +0800
From: kernel test robot <lkp@...el.com>
To: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: drivers/tty/serial/ucc_uart.c:605:17: sparse: sparse: incorrect type
in argument 2 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 27bba9c532a8d21050b94224ffd310ad0058c353
commit: bd72866b8da499e60633ff28f8a4f6e09ca78efe alpha: fix annotation of io{read,write}{16,32}be()
date: 3 months ago
config: alpha-randconfig-s032-20201122 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-134-gb59dbdaf-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd72866b8da499e60633ff28f8a4f6e09ca78efe
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout bd72866b8da499e60633ff28f8a4f6e09ca78efe
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
"sparse warnings: (new ones prefixed by >>)"
drivers/tty/serial/ucc_uart.c:386:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:386:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:386:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:386:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:386:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:386:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:386:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:386:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:386:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:386:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:474:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:474:26: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:474:26: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:474:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:474:26: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:474:26: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:474:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:474:26: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:474:26: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:474:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:474:26: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:474:26: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:481:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:481:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:481:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:481:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:481:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:481:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:481:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:481:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:481:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:481:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:481:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:481:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:512:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:512:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:512:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:515:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:515:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:515:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:515:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:515:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:515:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:515:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:515:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:515:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:515:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:515:21: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:515:21: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:604:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:604:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:604:17: sparse: got restricted __be16 *
>> drivers/tty/serial/ucc_uart.c:605:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:605:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:605:17: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:606:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:606:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:606:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:612:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:612:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:612:9: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:613:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:613:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:613:9: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:614:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:614:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:614:9: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:625:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:625:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:625:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:626:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:626:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:626:17: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:627:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:627:17: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:627:17: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:637:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:637:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:637:9: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:638:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be32 * @@
drivers/tty/serial/ucc_uart.c:638:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:638:9: sparse: got restricted __be32 *
drivers/tty/serial/ucc_uart.c:639:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got restricted __be16 * @@
drivers/tty/serial/ucc_uart.c:639:9: sparse: expected void [noderef] __iomem *addr
drivers/tty/serial/ucc_uart.c:639:9: sparse: got restricted __be16 *
drivers/tty/serial/ucc_uart.c:653:46: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ucc_uart_pram *uccup @@ got struct ucc_uart_pram [noderef] __iomem *uccup @@
drivers/tty/serial/ucc_uart.c:653:46: sparse: expected struct ucc_uart_pram *uccup
drivers/tty/serial/ucc_uart.c:653:46: sparse: got struct ucc_uart_pram [noderef] __iomem *uccup
drivers/tty/serial/ucc_uart.c:661:9: sparse: sparse: too many warnings
vim +605 drivers/tty/serial/ucc_uart.c
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 586
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 587 /* Initialize buffer descriptors
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 588 *
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 589 * This function initializes all of the RX and TX buffer descriptors.
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 590 */
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 591 static void qe_uart_initbd(struct uart_qe_port *qe_port)
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 592 {
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 593 int i;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 594 void *bd_virt;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 595 struct qe_bd *bdp;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 596
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 597 /* Set the physical address of the host memory buffers in the buffer
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 598 * descriptors, and the virtual address for us to work with.
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 599 */
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 600 bd_virt = qe_port->bd_virt;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 601 bdp = qe_port->rx_bd_base;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 602 qe_port->rx_cur = qe_port->rx_bd_base;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 603 for (i = 0; i < (qe_port->rx_nrfifos - 1); i++) {
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 604 qe_iowrite16be(BD_SC_EMPTY | BD_SC_INTRPT, &bdp->status);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 @605 qe_iowrite32be(cpu2qe_addr(bd_virt, qe_port), &bdp->buf);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 606 qe_iowrite16be(0, &bdp->length);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 607 bd_virt += qe_port->rx_fifosize;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 608 bdp++;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 609 }
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 610
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 611 /* */
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 612 qe_iowrite16be(BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT, &bdp->status);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 613 qe_iowrite32be(cpu2qe_addr(bd_virt, qe_port), &bdp->buf);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 614 qe_iowrite16be(0, &bdp->length);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 615
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 616 /* Set the physical address of the host memory
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 617 * buffers in the buffer descriptors, and the
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 618 * virtual address for us to work with.
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 619 */
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 620 bd_virt = qe_port->bd_virt +
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 621 L1_CACHE_ALIGN(qe_port->rx_nrfifos * qe_port->rx_fifosize);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 622 qe_port->tx_cur = qe_port->tx_bd_base;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 623 bdp = qe_port->tx_bd_base;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 624 for (i = 0; i < (qe_port->tx_nrfifos - 1); i++) {
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 625 qe_iowrite16be(BD_SC_INTRPT, &bdp->status);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 626 qe_iowrite32be(cpu2qe_addr(bd_virt, qe_port), &bdp->buf);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 627 qe_iowrite16be(0, &bdp->length);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 628 bd_virt += qe_port->tx_fifosize;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 629 bdp++;
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 630 }
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 631
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 632 /* Loopback requires the preamble bit to be set on the first TX BD */
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 633 #ifdef LOOPBACK
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 634 qe_setbits_be16(&qe_port->tx_cur->status, BD_SC_P);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 635 #endif
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 636
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 637 qe_iowrite16be(BD_SC_WRAP | BD_SC_INTRPT, &bdp->status);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 638 qe_iowrite32be(cpu2qe_addr(bd_virt, qe_port), &bdp->buf);
8b1cdc4033bd16 drivers/tty/serial/ucc_uart.c Rasmus Villemoes 2019-11-28 639 qe_iowrite16be(0, &bdp->length);
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 640 }
d7584ed2b994a5 drivers/serial/ucc_uart.c Timur Tabi 2008-01-15 641
:::::: The code at line 605 was first introduced by commit
:::::: 8b1cdc4033bd1659c5499c918d4e59bf8253abec serial: ucc_uart: replace ppc-specific IO accessors
:::::: TO: Rasmus Villemoes <linux@...musvillemoes.dk>
:::::: CC: Li Yang <leoyang.li@....com>
---
0-DAY CI Kernel Test Service, Intel Corporation
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