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remoteproc: qcom: pil-info: Fix shift overflow 

On platforms with 32-bit phys_addr_t the shift to get the upper word of
the base address of the memory region is invalid. Cast the base to 64
bit to resolv this.

Fixes: 549b67da66 ("remoteproc: qcom: Introduce helper to store pil info in IMEM")
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
Reported-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200716054817.157608-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson 2020-07-15 22:48:17 -07:00
parent 5b435ca38b
commit 90ec257c38
1 changed files with 1 additions and 1 deletions
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2
drivers/remoteproc/qcom_pil_info.c
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@ -108,7 +108,7 @@ found_unused:
found_existing:
/* Use two writel() as base is only aligned to 4 bytes on odd entries */
writel(base, entry + PIL_RELOC_NAME_LEN);
writel(base >> 32, entry + PIL_RELOC_NAME_LEN + 4);
writel((u64)base >> 32, entry + PIL_RELOC_NAME_LEN + 4);
writel(size, entry + PIL_RELOC_NAME_LEN + sizeof(__le64));
mutex_unlock(&pil_reloc_lock);