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leds: pca955x: Fix -Wvoid-pointer-to-enum-cast warning
When building with clang 18 I see the following warning: | drivers/leds/leds-pca955x.c:487:15: warning: cast to smaller integer | type 'enum pca955x_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] | 487 | chip_type = (enum pca955x_type)md; This is due to the fact that `md` is a void* while `enum pca995x_type` has the size of an int. Add uintptr_t cast to silence clang warning while also keeping enum cast for readability and consistency with other `chip_type` assignment just a few lines below: | chip_type = (enum pca955x_type)id->driver_data; Reported-by: Nathan Chancellor <nathan@kernel.org> Closes: https://github.com/ClangBuiltLinux/linux/issues/1910 Signed-off-by: Justin Stitt <justinstitt@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20230816-void-drivers-leds-leds-pca955x-v1-1-2967e4c1bdcc@google.com Signed-off-by: Lee Jones <lee@kernel.org>
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@ -484,7 +484,7 @@ static int pca955x_probe(struct i2c_client *client)
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const void *md = device_get_match_data(&client->dev);
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if (md) {
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chip_type = (enum pca955x_type)md;
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chip_type = (enum pca955x_type)(uintptr_t)md;
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} else {
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const struct i2c_device_id *id = i2c_match_id(pca955x_id,
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client);
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