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Message-ID: <202311060334.FTxzcZED-lkp@intel.com>
Date: Mon, 6 Nov 2023 04:06:27 +0800
From: kernel test robot <lkp@...el.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/memory/emif.c:70: warning: Function parameter or member
'lpmode' not described in 'emif_data'
Hi Krzysztof,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1c41041124bd14dd6610da256a3da4e5b74ce6b1
commit: ea0c0ad6b6eb36726088991d97a55b99cae456d0 memory: Enable compile testing for most of the drivers
date: 3 years, 3 months ago
config: i386-buildonly-randconfig-001-20231101 (https://download.01.org/0day-ci/archive/20231106/202311060334.FTxzcZED-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231106/202311060334.FTxzcZED-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311060334.FTxzcZED-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/memory/emif.c:70: warning: Function parameter or member 'lpmode' not described in 'emif_data'
>> drivers/memory/emif.c:70: warning: Function parameter or member 'irq_state' not described in 'emif_data'
drivers/memory/emif.c:70: warning: Function parameter or member 'addressing' not described in 'emif_data'
vim +70 drivers/memory/emif.c
7ec944538dde3d Aneesh V 2012-04-27 30
7ec944538dde3d Aneesh V 2012-04-27 31 /**
7ec944538dde3d Aneesh V 2012-04-27 32 * struct emif_data - Per device static data for driver's use
7ec944538dde3d Aneesh V 2012-04-27 33 * @duplicate: Whether the DDR devices attached to this EMIF
7ec944538dde3d Aneesh V 2012-04-27 34 * instance are exactly same as that on EMIF1. In
7ec944538dde3d Aneesh V 2012-04-27 35 * this case we can save some memory and processing
7ec944538dde3d Aneesh V 2012-04-27 36 * @temperature_level: Maximum temperature of LPDDR2 devices attached
7ec944538dde3d Aneesh V 2012-04-27 37 * to this EMIF - read from MR4 register. If there
7ec944538dde3d Aneesh V 2012-04-27 38 * are two devices attached to this EMIF, this
7ec944538dde3d Aneesh V 2012-04-27 39 * value is the maximum of the two temperature
7ec944538dde3d Aneesh V 2012-04-27 40 * levels.
7ec944538dde3d Aneesh V 2012-04-27 41 * @node: node in the device list
7ec944538dde3d Aneesh V 2012-04-27 42 * @base: base address of memory-mapped IO registers.
7ec944538dde3d Aneesh V 2012-04-27 43 * @dev: device pointer.
a93de288aad3b0 Aneesh V 2012-04-27 44 * @addressing table with addressing information from the spec
a93de288aad3b0 Aneesh V 2012-04-27 45 * @regs_cache: An array of 'struct emif_regs' that stores
a93de288aad3b0 Aneesh V 2012-04-27 46 * calculated register values for different
a93de288aad3b0 Aneesh V 2012-04-27 47 * frequencies, to avoid re-calculating them on
a93de288aad3b0 Aneesh V 2012-04-27 48 * each DVFS transition.
a93de288aad3b0 Aneesh V 2012-04-27 49 * @curr_regs: The set of register values used in the last
a93de288aad3b0 Aneesh V 2012-04-27 50 * frequency change (i.e. corresponding to the
a93de288aad3b0 Aneesh V 2012-04-27 51 * frequency in effect at the moment)
7ec944538dde3d Aneesh V 2012-04-27 52 * @plat_data: Pointer to saved platform data.
aac10aaa8cc65a Aneesh V 2012-04-27 53 * @debugfs_root: dentry to the root folder for EMIF in debugfs
e6b42eb6a66c18 Aneesh V 2012-08-17 54 * @np_ddr: Pointer to ddr device tree node
7ec944538dde3d Aneesh V 2012-04-27 55 */
7ec944538dde3d Aneesh V 2012-04-27 56 struct emif_data {
7ec944538dde3d Aneesh V 2012-04-27 57 u8 duplicate;
7ec944538dde3d Aneesh V 2012-04-27 58 u8 temperature_level;
a93de288aad3b0 Aneesh V 2012-04-27 59 u8 lpmode;
7ec944538dde3d Aneesh V 2012-04-27 60 struct list_head node;
a93de288aad3b0 Aneesh V 2012-04-27 61 unsigned long irq_state;
7ec944538dde3d Aneesh V 2012-04-27 62 void __iomem *base;
7ec944538dde3d Aneesh V 2012-04-27 63 struct device *dev;
a93de288aad3b0 Aneesh V 2012-04-27 64 const struct lpddr2_addressing *addressing;
a93de288aad3b0 Aneesh V 2012-04-27 65 struct emif_regs *regs_cache[EMIF_MAX_NUM_FREQUENCIES];
a93de288aad3b0 Aneesh V 2012-04-27 66 struct emif_regs *curr_regs;
7ec944538dde3d Aneesh V 2012-04-27 67 struct emif_platform_data *plat_data;
aac10aaa8cc65a Aneesh V 2012-04-27 68 struct dentry *debugfs_root;
e6b42eb6a66c18 Aneesh V 2012-08-17 69 struct device_node *np_ddr;
7ec944538dde3d Aneesh V 2012-04-27 @70 };
7ec944538dde3d Aneesh V 2012-04-27 71
:::::: The code at line 70 was first introduced by commit
:::::: 7ec944538dde3d7f490bd4d2619051789db5c3c3 memory: emif: add basic infrastructure for EMIF driver
:::::: TO: Aneesh V <aneesh@...com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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