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SubjectRe: [PATCH v6 6/6] clk: renesas: Renesas RZ/N1 clock driver
Hi Michel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20180517]
[also build test WARNING on v4.17-rc6]
[cannot apply to robh/for-next renesas-drivers/clk-renesas renesas/devel v4.17-rc6 v4.17-rc5 v4.17-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Michel-Pollet/arm-Base-support-for-Renesas-RZN1D-DB-Board/20180524-052042
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/clk/renesas/rzn1-clocks.c:270:22: sparse: cast removes address space of expression
>> drivers/clk/renesas/rzn1-clocks.c:271:29: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned int [noderef] [usertype] <asn:2>*reg @@ got eref] [usertype] <asn:2>*reg @@
drivers/clk/renesas/rzn1-clocks.c:271:29: expected unsigned int [noderef] [usertype] <asn:2>*reg
drivers/clk/renesas/rzn1-clocks.c:271:29: got unsigned int [usertype] *reg
drivers/clk/renesas/rzn1-clocks.c:274:25: sparse: incorrect type in argument 2 (different address spaces) @@ expected unsigned int [noderef] [usertype] <asn:2>*reg @@ got eref] [usertype] <asn:2>*reg @@
drivers/clk/renesas/rzn1-clocks.c:274:25: expected unsigned int [noderef] [usertype] <asn:2>*reg
drivers/clk/renesas/rzn1-clocks.c:274:25: got unsigned int [usertype] *reg
drivers/clk/renesas/rzn1-clocks.c:281:22: sparse: cast removes address space of expression
drivers/clk/renesas/rzn1-clocks.c:282:29: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned int [noderef] [usertype] <asn:2>*reg @@ got eref] [usertype] <asn:2>*reg @@
drivers/clk/renesas/rzn1-clocks.c:282:29: expected unsigned int [noderef] [usertype] <asn:2>*reg
drivers/clk/renesas/rzn1-clocks.c:282:29: got unsigned int [usertype] *reg
drivers/clk/renesas/rzn1-clocks.c:430:22: sparse: cast removes address space of expression
drivers/clk/renesas/rzn1-clocks.c:431:30: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned int [noderef] [usertype] <asn:2>*reg @@ got eref] [usertype] <asn:2>*reg @@
drivers/clk/renesas/rzn1-clocks.c:431:30: expected unsigned int [noderef] [usertype] <asn:2>*reg
drivers/clk/renesas/rzn1-clocks.c:431:30: got unsigned int [usertype] *reg
drivers/clk/renesas/rzn1-clocks.c:516:22: sparse: cast removes address space of expression
drivers/clk/renesas/rzn1-clocks.c:528:38: sparse: incorrect type in argument 2 (different address spaces) @@ expected unsigned int [noderef] [usertype] <asn:2>*reg @@ got eref] [usertype] <asn:2>*reg @@
drivers/clk/renesas/rzn1-clocks.c:528:38: expected unsigned int [noderef] [usertype] <asn:2>*reg
drivers/clk/renesas/rzn1-clocks.c:528:38: got unsigned int [usertype] *reg

vim +270 drivers/clk/renesas/rzn1-clocks.c

264
265 /* register/bit pairs are encoded as an uint16_t */
266 static void clk_rdesc_set(
267 struct rzn1_priv *clocks,
268 uint16_t one, unsigned int on)
269 {
> 270 u32 *reg = ((u32 *)clocks->reg) + (one >> 5);
> 271 u32 val = clk_readl(reg);
272
273 val = (val & ~(1U << (one & 0x1f))) | ((!!on) << (one & 0x1f));
274 clk_writel(val, reg);
275 }
276

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

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