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Message-ID: <47be7e87-b688-05a6-1297-8e26f5b84274@amd.com>
Date: Wed, 6 Jul 2022 12:36:41 +0200
From: Christian König <christian.koenig@....com>
To: Vijendar Mukunda <Vijendar.Mukunda@....com>,
dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org
Cc: Alexander.Deucher@....com, Basavaraj.Hiregoudar@....com,
Sunil-kumar.Dommati@....com, zhuning@...rest-semi.com,
"Pan, Xinhui" <Xinhui.Pan@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Kai-Heng Feng <kai.heng.feng@...onical.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/3] drm/amdgpu: fix for coding style issues
Am 06.07.22 um 12:28 schrieb Vijendar Mukunda:
> Fixed below checkpatch warnings and errors
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:131: CHECK: Comparison to NULL could be written "apd"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:150: CHECK: Comparison to NULL could be written "apd"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:196: CHECK: Prefer kernel type 'u64' over 'uint64_t'
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:224: CHECK: Please don't use multiple blank lines
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:226: CHECK: Comparison to NULL could be written "!adev->acp.acp_genpd"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:233: CHECK: Please don't use multiple blank lines
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:239: CHECK: Alignment should match open parenthesis
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:241: CHECK: Comparison to NULL could be written "!adev->acp.acp_cell"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:247: CHECK: Comparison to NULL could be written "!adev->acp.acp_res"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:253: CHECK: Comparison to NULL could be written "!i2s_pdata"
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:350: CHECK: Alignment should match open parenthesis
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c:550: ERROR: that open brace { should be on the previous line
>
> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
Reviewed-by: Christian König <christian.koenig@....com>
>
> ---
> changes since v2:
> - Removed Null check for apd structure
> - Modified commit message
> changes since v1:
> - Modified commit label as drm/amdgpu
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 35 +++++++++----------------
> 1 file changed, 12 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> index cc9c9f8b23b2..ceda19152c77 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> @@ -128,16 +128,14 @@ static int acp_poweroff(struct generic_pm_domain *genpd)
> struct amdgpu_device *adev;
>
> apd = container_of(genpd, struct acp_pm_domain, gpd);
> - if (apd != NULL) {
> - adev = apd->adev;
> + adev = apd->adev;
> /* call smu to POWER GATE ACP block
> * smu will
> * 1. turn off the acp clock
> * 2. power off the acp tiles
> * 3. check and enter ulv state
> */
> - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
> - }
> + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, true);
> return 0;
> }
>
> @@ -147,16 +145,14 @@ static int acp_poweron(struct generic_pm_domain *genpd)
> struct amdgpu_device *adev;
>
> apd = container_of(genpd, struct acp_pm_domain, gpd);
> - if (apd != NULL) {
> - adev = apd->adev;
> + adev = apd->adev;
> /* call smu to UNGATE ACP block
> * smu will
> * 1. exit ulv
> * 2. turn on acp clock
> * 3. power on acp tiles
> */
> - amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false);
> - }
> + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, false);
> return 0;
> }
>
> @@ -193,7 +189,7 @@ static int acp_genpd_remove_device(struct device *dev, void *data)
> static int acp_hw_init(void *handle)
> {
> int r;
> - uint64_t acp_base;
> + u64 acp_base;
> u32 val = 0;
> u32 count = 0;
> struct i2s_platform_data *i2s_pdata = NULL;
> @@ -220,37 +216,32 @@ static int acp_hw_init(void *handle)
> return -EINVAL;
>
> acp_base = adev->rmmio_base;
> -
> -
> adev->acp.acp_genpd = kzalloc(sizeof(struct acp_pm_domain), GFP_KERNEL);
> - if (adev->acp.acp_genpd == NULL)
> + if (!adev->acp.acp_genpd)
> return -ENOMEM;
>
> adev->acp.acp_genpd->gpd.name = "ACP_AUDIO";
> adev->acp.acp_genpd->gpd.power_off = acp_poweroff;
> adev->acp.acp_genpd->gpd.power_on = acp_poweron;
> -
> -
> adev->acp.acp_genpd->adev = adev;
>
> pm_genpd_init(&adev->acp.acp_genpd->gpd, NULL, false);
>
> - adev->acp.acp_cell = kcalloc(ACP_DEVS, sizeof(struct mfd_cell),
> - GFP_KERNEL);
> + adev->acp.acp_cell = kcalloc(ACP_DEVS, sizeof(struct mfd_cell), GFP_KERNEL);
>
> - if (adev->acp.acp_cell == NULL) {
> + if (!adev->acp.acp_cell) {
> r = -ENOMEM;
> goto failure;
> }
>
> adev->acp.acp_res = kcalloc(5, sizeof(struct resource), GFP_KERNEL);
> - if (adev->acp.acp_res == NULL) {
> + if (!adev->acp.acp_res) {
> r = -ENOMEM;
> goto failure;
> }
>
> i2s_pdata = kcalloc(3, sizeof(struct i2s_platform_data), GFP_KERNEL);
> - if (i2s_pdata == NULL) {
> + if (!i2s_pdata) {
> r = -ENOMEM;
> goto failure;
> }
> @@ -346,8 +337,7 @@ static int acp_hw_init(void *handle)
> adev->acp.acp_cell[3].platform_data = &i2s_pdata[2];
> adev->acp.acp_cell[3].pdata_size = sizeof(struct i2s_platform_data);
>
> - r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell,
> - ACP_DEVS);
> + r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell, ACP_DEVS);
> if (r)
> goto failure;
>
> @@ -546,8 +536,7 @@ static const struct amd_ip_funcs acp_ip_funcs = {
> .set_powergating_state = acp_set_powergating_state,
> };
>
> -const struct amdgpu_ip_block_version acp_ip_block =
> -{
> +const struct amdgpu_ip_block_version acp_ip_block = {
> .type = AMD_IP_BLOCK_TYPE_ACP,
> .major = 2,
> .minor = 2,
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