Re: [PATCH 1/1] tpm_tis: Use DEFINE_RES_MEM() to simplify code

From: Leizhen (ThunderTown)
Date: Tue Jun 01 2021 - 21:11:53 EST




On 2021/6/2 1:57, Jarkko Sakkinen wrote:
> On Tue, Jun 01, 2021 at 02:45:07PM +0800, Zhen Lei wrote:
>> No functional change.
>>
>> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
>
> No change, no need to apply?

But it can make the code look simpler, easier to read and maintain(The start
address does not need to appear twice). I think that's why these DEFINE_RES_*
macros are defined.

By the way, would it be better to change the letters in 0xFED40000 to lowercase?

>
> /Jarkko
>
>> ---
>> drivers/char/tpm/tpm_tis.c | 6 +-----
>> 1 file changed, 1 insertion(+), 5 deletions(-)
>>
>> diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
>> index 4ed6e660273a414..d3f2e5364c275f4 100644
>> --- a/drivers/char/tpm/tpm_tis.c
>> +++ b/drivers/char/tpm/tpm_tis.c
>> @@ -363,11 +363,7 @@ static int tpm_tis_force_device(void)
>> {
>> struct platform_device *pdev;
>> static const struct resource x86_resources[] = {
>> - {
>> - .start = 0xFED40000,
>> - .end = 0xFED40000 + TIS_MEM_LEN - 1,
>> - .flags = IORESOURCE_MEM,
>> - },
>> + DEFINE_RES_MEM(0xFED40000, TIS_MEM_LEN)
>> };
>>
>> if (!force)
>> --
>> 2.26.0.106.g9fadedd
>>
>>
>>
>
> .
>