[PATCH] broadcom: Fix an compile warning in nvram_init

[zhong jiang]

I hit the following error when compile the kernel.

drivers/firmware/broadcom/bcm47xx_nvram.c: In function ânvram_initâ:
./include/linux/kern_levels.h:5:18: warning: format â%zuâ expects argument of type âsize_tâ, but argument 2 has type âu32 {aka unsigned int}â [-Wformat=]
 #define KERN_SOH "\001"  /* ASCII Start Of Header */
                  ^
./include/linux/kern_levels.h:11:18: note: in expansion of macro âKERN_SOHâ
 #define KERN_ERR KERN_SOH "3" /* error conditions */
                  ^~~~~~~~
./include/linux/printk.h:304:9: note: in expansion of macro âKERN_ERRâ
  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         ^~~~~~~~
drivers/firmware/broadcom/bcm47xx_nvram.c:151:4: note: in expansion of macro âpr_errâ
    pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
    ^~~~~~
  CC      sound/soc/sof/debug.o
drivers/firmware/broadcom/bcm47xx_nvram.c:151:30: note: format string is defined here
    pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/firmware/broadcom/bcm47xx_nvram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c
index 6d2820f..75a3240 100644
--- a/drivers/firmware/broadcom/bcm47xx_nvram.c
+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
@@ -148,7 +148,7 @@ static int nvram_init(void)
 	    header.len > sizeof(header)) {
 		nvram_len = header.len;
 		if (nvram_len >= NVRAM_SPACE) {
-			pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
+			pr_err("nvram on flash (%u bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
 				header.len, NVRAM_SPACE);
 			nvram_len = NVRAM_SPACE - 1;
 		}
-- 
1.7.12.4