Re: [PATCH v2 6/7] misc: bcm-vk: add Broadcom VK driver

Re: [PATCH v2 6/7] misc: bcm-vk: add Broadcom VK driver

[kbuild test robot]

Hi Scott,

I love your patch! Perhaps something to improve:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on kselftest/next linus/master v5.6-rc2]
[cannot apply to driver-core/driver-core-testing next-20200221]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Scott-Branden/firmware-add-partial-read-support-in-request_firmware_into_buf/20200222-032851
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 06e33595e96f212811066df192ae8bf802174296
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-173-ge0787745-dirty
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/misc/bcm-vk/bcm_vk_dev.c:34:29: sparse: sparse: symbol 'image_tab' was not declared. Should it be static?
>> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse: sparse: incorrect type in assignment (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse:    expected struct bcm_vk_peer_log *p_ctl
>> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse:    got void [noderef] <asn:2> *
   drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse: sparse: incorrect type in assignment (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse:    expected void *bufp
   drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse:    got void [noderef] <asn:2> *
>> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse: sparse: incorrect type in argument 2 (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse:    expected void const [noderef] <asn:1> *from
>> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse:    got struct vk_image *arg
   drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse: sparse: incorrect type in argument 2 (different address spaces)
   drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse:    expected void const [noderef] <asn:1> *from
>> drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse:    got struct vk_access *arg
   drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse: sparse: incorrect type in argument 1 (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse:    expected void const volatile [noderef] <asn:1> *
>> drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse:    got unsigned int [usertype] *
   drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse: sparse: incorrect type in argument 1 (different address spaces)
   drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse:    expected void const volatile [noderef] <asn:1> *
   drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse:    got unsigned int [usertype] *
   drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse: sparse: incorrect type in argument 2 (different address spaces)
   drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse:    expected void const [noderef] <asn:1> *from
>> drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse:    got struct vk_reset *arg
   drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse: sparse: incorrect type in argument 2 (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse:    expected struct vk_image *arg
>> drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse:    got void [noderef] <asn:1> *argp
   drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse: sparse: incorrect type in argument 2 (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse:    expected struct vk_access *arg
   drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse:    got void [noderef] <asn:1> *argp
   drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse: sparse: incorrect type in argument 2 (different address spaces)
>> drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse:    expected struct vk_reset *arg
   drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse:    got void [noderef] <asn:1> *argp
--
>> drivers/misc/bcm-vk/bcm_vk_msg.c:102:6: sparse: sparse: symbol 'bcm_vk_update_qstats' was not declared. Should it be static?
>> drivers/misc/bcm-vk/bcm_vk_msg.c:455:17: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/misc/bcm-vk/bcm_vk_msg.c:656:15: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/misc/bcm-vk/bcm_vk_msg.c:664:23: sparse: sparse: cast removes address space '<asn:2>' of expression
>> drivers/misc/bcm-vk/bcm_vk_msg.c:734:5: sparse: sparse: symbol 'bcm_vk_handle_last_sess' was not declared. Should it be static?
   drivers/misc/bcm-vk/bcm_vk_msg.c:823:31: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/misc/bcm-vk/bcm_vk_msg.c:851:47: sparse: sparse: cast removes address space '<asn:2>' of expression

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[RFC PATCH] misc: bcm-vk: image_tab[] can be static

[kbuild test robot]

Fixes: b6354450d21b ("misc: bcm-vk: add Broadcom VK driver")
Signed-off-by: kbuild test robot <lkp@intel.com>
---
 bcm_vk_dev.c |    2 +-
 bcm_vk_msg.c |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/bcm-vk/bcm_vk_dev.c b/drivers/misc/bcm-vk/bcm_vk_dev.c
index d8f59e898ca8a..24cdab04c8703 100644
--- a/drivers/misc/bcm-vk/bcm_vk_dev.c
+++ b/drivers/misc/bcm-vk/bcm_vk_dev.c
@@ -31,7 +31,7 @@ enum soc_idx {
 };
 
 #define NUM_BOOT_STAGES 2
-const struct load_image_tab image_tab[][NUM_BOOT_STAGES] = {
+static const struct load_image_tab image_tab[][NUM_BOOT_STAGES] = {
 	[VALKYRIE] = {
 		{VK_IMAGE_TYPE_BOOT1, VK_BOOT1_DEF_VALKYRIE_FILENAME},
 		{VK_IMAGE_TYPE_BOOT2, VK_BOOT2_DEF_VALKYRIE_FILENAME}
diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c
index 651fba2149e28..9247d4bc50288 100644
--- a/drivers/misc/bcm-vk/bcm_vk_msg.c
+++ b/drivers/misc/bcm-vk/bcm_vk_msg.c
@@ -99,8 +99,8 @@ static void bcm_vk_h2vk_verify_blk
 #define BCM_VK_QSTATS_ACC_CNT 20000
 #endif
 
-void bcm_vk_update_qstats(struct bcm_vk *vk, const char *tag,
-			  struct bcm_vk_qstats *qstats, uint32_t occupancy)
+static void bcm_vk_update_qstats(struct bcm_vk *vk, const char *tag,
+				 struct bcm_vk_qstats *qstats, uint32_t occupancy)
 {
 	struct bcm_vk_qs_cnts *qcnts = &qstats->qcnts;
 
@@ -731,7 +731,7 @@ int bcm_vk_send_shutdown_msg(struct bcm_vk *vk, uint32_t shut_type,
 	return rc;
 }
 
-int bcm_vk_handle_last_sess(struct bcm_vk *vk, struct task_struct *ppid)
+static int bcm_vk_handle_last_sess(struct bcm_vk *vk, struct task_struct *ppid)
 {
 	int rc = 0;
 	pid_t pid = task_pid_nr(ppid);