iommu/sprd: Fix parameter type warning

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The second parameter of clk_get_optional() is "const char *", so use NULL
instead of integer 0 to fix a sparse warning like:

">> drivers/iommu/sprd-iommu.c:456:42: sparse: sparse: Using plain integer as NULL pointer"

Also this patch changes to use the resource-managed variant of
clk_get_optional(), then there's no need to add clk_put() which
is missed in the current driver.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20210331031645.1001913-1-zhang.lyra@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

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Chunyan Zhang 2021-03-31 11:16:45 +08:00 • committed by Joerg Roedel

parent 0bb868e1e3

commit a56af062ae

1 changed files with 1 additions and 1 deletions

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drivers/iommu/sprd-iommu.c

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