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Date: Fri, 18 May 2018 18:25:04 +0800
From: kbuild test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
tipbuild@...or.com, Ingo Molnar <mingo@...nel.org>
Subject: [tip:x86/asm 2/2] drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16:
sparse: incorrect type in argument 1 (different base types)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm
head: 6469a0ee0a06b2ea1f5afbb1d5a3feed017d4c7a
commit: 6469a0ee0a06b2ea1f5afbb1d5a3feed017d4c7a [2/2] x86/io: Define readq()/writeq() to use 64-bit type
reproduce:
# apt-get install sparse
git checkout 6469a0ee0a06b2ea1f5afbb1d5a3feed017d4c7a
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
drivers/scsi/mpt3sas/mpt3sas_base.c:397:17: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:403:34: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:414:53: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned long long [unsigned] [usertype] chain_buffer_dma @@ got g long [unsigned] [usertype] chain_buffer_dma @@
drivers/scsi/mpt3sas/mpt3sas_base.c:414:53: expected unsigned long long [unsigned] [usertype] chain_buffer_dma
drivers/scsi/mpt3sas/mpt3sas_base.c:414:53: got restricted __le32 [usertype] Address
drivers/scsi/mpt3sas/mpt3sas_base.c:429:39: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] Address @@ got unsignrestricted __le32 [usertype] Address @@
drivers/scsi/mpt3sas/mpt3sas_base.c:429:39: expected restricted __le32 [usertype] Address
drivers/scsi/mpt3sas/mpt3sas_base.c:429:39: got unsigned int [unsigned] [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:438:50: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:443:55: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] Address @@ got unsignrestricted __le32 [usertype] Address @@
drivers/scsi/mpt3sas/mpt3sas_base.c:443:55: expected restricted __le32 [usertype] Address
drivers/scsi/mpt3sas/mpt3sas_base.c:443:55: got unsigned int [unsigned] [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:447:50: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:448:55: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] Address @@ got unsignrestricted __le32 [usertype] Address @@
drivers/scsi/mpt3sas/mpt3sas_base.c:448:55: expected restricted __le32 [usertype] Address
drivers/scsi/mpt3sas/mpt3sas_base.c:448:55: got unsigned int [unsigned] [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:451:42: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:452:47: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:453:34: sparse: restricted __le32 degrades to integer
drivers/scsi/mpt3sas/mpt3sas_base.c:1217:42: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [unsigned] [usertype] Event @@ got short [unsigned] [usertype] Event @@
drivers/scsi/mpt3sas/mpt3sas_base.c:1217:42: expected unsigned short [unsigned] [usertype] Event
drivers/scsi/mpt3sas/mpt3sas_base.c:1217:42: got restricted __le16 [usertype] Event
drivers/scsi/mpt3sas/mpt3sas_base.c:1218:49: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [unsigned] [usertype] EventContext @@ got ed int [unsigned] [usertype] EventContext @@
drivers/scsi/mpt3sas/mpt3sas_base.c:1218:49: expected unsigned int [unsigned] [usertype] EventContext
drivers/scsi/mpt3sas/mpt3sas_base.c:1218:49: got restricted __le32 [usertype] EventContext
drivers/scsi/mpt3sas/mpt3sas_base.c:1436:49: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int [unsigned] [usertype] reply @@ got ed int [unsigned] [usertype] reply @@
drivers/scsi/mpt3sas/mpt3sas_base.c:1436:49: expected unsigned int [unsigned] [usertype] reply
drivers/scsi/mpt3sas/mpt3sas_base.c:1436:49: got restricted __le32 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:1462:64: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2>*addr @@ got oid volatile [noderef] <asn:2>*addr @@
drivers/scsi/mpt3sas/mpt3sas_base.c:1462:64: expected void volatile [noderef] <asn:2>*addr
drivers/scsi/mpt3sas/mpt3sas_base.c:1462:64: got unsigned long long [usertype] *<noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:1511:52: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2>*addr @@ got oid volatile [noderef] <asn:2>*addr @@
drivers/scsi/mpt3sas/mpt3sas_base.c:1511:52: expected void volatile [noderef] <asn:2>*addr
drivers/scsi/mpt3sas/mpt3sas_base.c:1511:52: got unsigned long long [usertype] *<noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:2004:24: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2762:44: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2762:44: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2841:34: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2841:34: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2854:42: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:2854:42: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:3047:32: sparse: cast removes address space of expression
drivers/scsi/mpt3sas/mpt3sas_base.c:3392:26: sparse: cast removes address space of expression
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: sparse: incorrect type in initializer (different base types) @@ expected unsigned long long [unsigned] [usertype] data_out @@ got g long [unsigned] [usertype] data_out @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: expected unsigned long long [unsigned] [usertype] data_out
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: got restricted __le64 [usertype] <noident>
>> drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [unsigned] [usertype] val @@ got g long [unsigned] [usertype] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: expected unsigned long long [unsigned] [usertype] val
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: got restricted __le64 [usertype] <noident>
>> drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [unsigned] [usertype] val @@ got g long [unsigned] [usertype] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: expected unsigned long long [unsigned] [usertype] val
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: got restricted __le64 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:3476:34: sparse: cast removes address space of expression
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: sparse: incorrect type in initializer (different base types) @@ expected unsigned long long [unsigned] [usertype] data_out @@ got g long [unsigned] [usertype] data_out @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: expected unsigned long long [unsigned] [usertype] data_out
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: got restricted __le64 [usertype] <noident>
>> drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [unsigned] [usertype] val @@ got g long [unsigned] [usertype] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: expected unsigned long long [unsigned] [usertype] val
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: got restricted __le64 [usertype] <noident>
>> drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [unsigned] [usertype] val @@ got g long [unsigned] [usertype] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: expected unsigned long long [unsigned] [usertype] val
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: got restricted __le64 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:3545:34: sparse: cast removes address space of expression
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: sparse: incorrect type in initializer (different base types) @@ expected unsigned long long [unsigned] [usertype] data_out @@ got g long [unsigned] [usertype] data_out @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: expected unsigned long long [unsigned] [usertype] data_out
drivers/scsi/mpt3sas/mpt3sas_base.c:3342:26: got restricted __le64 [usertype] <noident>
>> drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [unsigned] [usertype] val @@ got g long [unsigned] [usertype] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: expected unsigned long long [unsigned] [usertype] val
drivers/scsi/mpt3sas/mpt3sas_base.c:3365:16: got restricted __le64 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:4232:32: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4241:40: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4251:31: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4251:31: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4267:38: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4267:38: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4272:38: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4272:38: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4275:38: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4304:20: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4304:20: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4325:44: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4325:44: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:4491:28: sparse: expression using sizeof(void)
drivers/scsi/mpt3sas/mpt3sas_base.c:5005:24: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [unsigned] val @@ got restrunsigned int [unsigned] val @@
drivers/scsi/mpt3sas/mpt3sas_base.c:5005:24: expected unsigned int [unsigned] val
drivers/scsi/mpt3sas/mpt3sas_base.c:5005:24: got restricted __le32 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:5026:20: sparse: cast to restricted __le16
drivers/scsi/mpt3sas/mpt3sas_base.c:5035:20: sparse: cast to restricted __le16
drivers/scsi/mpt3sas/mpt3sas_base.c:5049:36: sparse: cast to restricted __le16
drivers/scsi/mpt3sas/mpt3sas_base.c:6175:42: sparse: cast to restricted __le32
drivers/scsi/mpt3sas/mpt3sas_base.c:6175:42: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int [unsigned] [usertype] reply @@ got ed int [unsigned] [usertype] reply @@
drivers/scsi/mpt3sas/mpt3sas_base.c:6175:42: expected unsigned int [unsigned] [usertype] reply
drivers/scsi/mpt3sas/mpt3sas_base.c:6175:42: got restricted __le32 [usertype] <noident>
drivers/scsi/mpt3sas/mpt3sas_base.c:6220:55: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2>*addr @@ got oid volatile [noderef] <asn:2>*addr @@
drivers/scsi/mpt3sas/mpt3sas_base.c:6220:55: expected void volatile [noderef] <asn:2>*addr
drivers/scsi/mpt3sas/mpt3sas_base.c:6220:55: got unsigned long long [usertype] *<noident>
vim +3365 drivers/scsi/mpt3sas/mpt3sas_base.c
e5747439 Suganath Prabu Subramani 2018-02-07 3349
e5747439 Suganath Prabu Subramani 2018-02-07 3350 /**
f92363d1 Sreekanth Reddy 2012-11-30 3351 * _base_writeq - 64 bit write to MMIO
f92363d1 Sreekanth Reddy 2012-11-30 3352 * @ioc: per adapter object
f92363d1 Sreekanth Reddy 2012-11-30 3353 * @b: data payload
f92363d1 Sreekanth Reddy 2012-11-30 3354 * @addr: address in MMIO space
f92363d1 Sreekanth Reddy 2012-11-30 3355 * @writeq_lock: spin lock
f92363d1 Sreekanth Reddy 2012-11-30 3356 *
f92363d1 Sreekanth Reddy 2012-11-30 3357 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
f92363d1 Sreekanth Reddy 2012-11-30 3358 * care of 32 bit environment where its not quarenteed to send the entire word
f92363d1 Sreekanth Reddy 2012-11-30 3359 * in one transfer.
f92363d1 Sreekanth Reddy 2012-11-30 3360 */
f92363d1 Sreekanth Reddy 2012-11-30 3361 #if defined(writeq) && defined(CONFIG_64BIT)
f92363d1 Sreekanth Reddy 2012-11-30 3362 static inline void
f92363d1 Sreekanth Reddy 2012-11-30 3363 _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
f92363d1 Sreekanth Reddy 2012-11-30 3364 {
f92363d1 Sreekanth Reddy 2012-11-30 @3365 writeq(cpu_to_le64(b), addr);
f92363d1 Sreekanth Reddy 2012-11-30 3366 }
f92363d1 Sreekanth Reddy 2012-11-30 3367 #else
f92363d1 Sreekanth Reddy 2012-11-30 3368 static inline void
f92363d1 Sreekanth Reddy 2012-11-30 3369 _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
f92363d1 Sreekanth Reddy 2012-11-30 3370 {
e5747439 Suganath Prabu Subramani 2018-02-07 3371 _base_mpi_ep_writeq(b, addr, writeq_lock);
f92363d1 Sreekanth Reddy 2012-11-30 3372 }
f92363d1 Sreekanth Reddy 2012-11-30 3373 #endif
f92363d1 Sreekanth Reddy 2012-11-30 3374
:::::: The code at line 3365 was first introduced by commit
:::::: f92363d12359498f9a9960511de1a550f0ec41c2 [SCSI] mpt3sas: add new driver supporting 12GB SAS
:::::: TO: Sreekanth Reddy <Sreekanth.Reddy@....com>
:::::: CC: James Bottomley <JBottomley@...allels.com>
---
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