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* [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function
@ 2022-06-19 10:47 Ren Zhijie
  2022-06-22  8:58 ` Adrian Hunter
  2022-06-23 12:07 ` Ulf Hansson
  0 siblings, 2 replies; 3+ messages in thread
From: Ren Zhijie @ 2022-06-19 10:47 UTC (permalink / raw)
  To: adrian.hunter, ulf.hansson, reniuschengl, jasonlai.genesyslogic
  Cc: linux-mmc, linux-kernel, Ren Zhijie

If CONFIG_PM is not set.

make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this:

drivers/mmc/host/sdhci-pci-gli.c:834:13: error: ‘gl9763e_set_low_power_negotiation’ defined but not used [-Werror=unused-function]
 static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[3]: *** [drivers/mmc/host/sdhci-pci-gli.o] Error 1

To fix building warning, wrap all related code with CONFIG_PM.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 78fe993ae714("mmc: host: Improve I/O read/write performance for GL9763E")
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
---
 drivers/mmc/host/sdhci-pci-gli.c | 50 ++++++++++++++++----------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index a76506adc206..4d509f656188 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -831,31 +831,6 @@ static void sdhci_gl9763e_dumpregs(struct mmc_host *mmc)
 	sdhci_dumpregs(mmc_priv(mmc));
 }
 
-static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
-{
-	struct pci_dev *pdev = slot->chip->pdev;
-	u32 value;
-
-	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
-	value &= ~GLI_9763E_VHS_REV;
-	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
-	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
-
-	pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
-
-	if (enable)
-		value &= ~GLI_9763E_CFG_LPSN_DIS;
-	else
-		value |= GLI_9763E_CFG_LPSN_DIS;
-
-	pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
-
-	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
-	value &= ~GLI_9763E_VHS_REV;
-	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
-	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
-}
-
 static void sdhci_gl9763e_cqe_pre_enable(struct mmc_host *mmc)
 {
 	struct cqhci_host *cq_host = mmc->cqe_private;
@@ -991,6 +966,31 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
 }
 
 #ifdef CONFIG_PM
+static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
+{
+	struct pci_dev *pdev = slot->chip->pdev;
+	u32 value;
+
+	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
+	value &= ~GLI_9763E_VHS_REV;
+	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
+	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
+
+	pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
+
+	if (enable)
+		value &= ~GLI_9763E_CFG_LPSN_DIS;
+	else
+		value |= GLI_9763E_CFG_LPSN_DIS;
+
+	pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
+
+	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
+	value &= ~GLI_9763E_VHS_REV;
+	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
+	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
+}
+
 static int gl9763e_runtime_suspend(struct sdhci_pci_chip *chip)
 {
 	struct sdhci_pci_slot *slot = chip->slots[0];
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function
  2022-06-19 10:47 [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function Ren Zhijie
@ 2022-06-22  8:58 ` Adrian Hunter
  2022-06-23 12:07 ` Ulf Hansson
  1 sibling, 0 replies; 3+ messages in thread
From: Adrian Hunter @ 2022-06-22  8:58 UTC (permalink / raw)
  To: Ren Zhijie, ulf.hansson, reniuschengl, jasonlai.genesyslogic
  Cc: linux-mmc, linux-kernel

On 19/06/22 13:47, Ren Zhijie wrote:
> If CONFIG_PM is not set.
> 
> make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this:
> 
> drivers/mmc/host/sdhci-pci-gli.c:834:13: error: ‘gl9763e_set_low_power_negotiation’ defined but not used [-Werror=unused-function]
>  static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
>              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> make[3]: *** [drivers/mmc/host/sdhci-pci-gli.o] Error 1
> 
> To fix building warning, wrap all related code with CONFIG_PM.
> 
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Fixes: 78fe993ae714("mmc: host: Improve I/O read/write performance for GL9763E")
> Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/sdhci-pci-gli.c | 50 ++++++++++++++++----------------
>  1 file changed, 25 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> index a76506adc206..4d509f656188 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -831,31 +831,6 @@ static void sdhci_gl9763e_dumpregs(struct mmc_host *mmc)
>  	sdhci_dumpregs(mmc_priv(mmc));
>  }
>  
> -static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
> -{
> -	struct pci_dev *pdev = slot->chip->pdev;
> -	u32 value;
> -
> -	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> -	value &= ~GLI_9763E_VHS_REV;
> -	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
> -	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> -
> -	pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
> -
> -	if (enable)
> -		value &= ~GLI_9763E_CFG_LPSN_DIS;
> -	else
> -		value |= GLI_9763E_CFG_LPSN_DIS;
> -
> -	pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
> -
> -	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> -	value &= ~GLI_9763E_VHS_REV;
> -	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> -	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> -}
> -
>  static void sdhci_gl9763e_cqe_pre_enable(struct mmc_host *mmc)
>  {
>  	struct cqhci_host *cq_host = mmc->cqe_private;
> @@ -991,6 +966,31 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
>  }
>  
>  #ifdef CONFIG_PM
> +static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
> +{
> +	struct pci_dev *pdev = slot->chip->pdev;
> +	u32 value;
> +
> +	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> +	value &= ~GLI_9763E_VHS_REV;
> +	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
> +	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> +
> +	pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
> +
> +	if (enable)
> +		value &= ~GLI_9763E_CFG_LPSN_DIS;
> +	else
> +		value |= GLI_9763E_CFG_LPSN_DIS;
> +
> +	pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
> +
> +	pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> +	value &= ~GLI_9763E_VHS_REV;
> +	value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> +	pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> +}
> +
>  static int gl9763e_runtime_suspend(struct sdhci_pci_chip *chip)
>  {
>  	struct sdhci_pci_slot *slot = chip->slots[0];


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function
  2022-06-19 10:47 [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function Ren Zhijie
  2022-06-22  8:58 ` Adrian Hunter
@ 2022-06-23 12:07 ` Ulf Hansson
  1 sibling, 0 replies; 3+ messages in thread
From: Ulf Hansson @ 2022-06-23 12:07 UTC (permalink / raw)
  To: Ren Zhijie
  Cc: adrian.hunter, reniuschengl, jasonlai.genesyslogic, linux-mmc,
	linux-kernel

On Sun, 19 Jun 2022 at 12:48, Ren Zhijie <renzhijie2@huawei.com> wrote:
>
> If CONFIG_PM is not set.
>
> make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this:
>
> drivers/mmc/host/sdhci-pci-gli.c:834:13: error: ‘gl9763e_set_low_power_negotiation’ defined but not used [-Werror=unused-function]
>  static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
>              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> make[3]: *** [drivers/mmc/host/sdhci-pci-gli.o] Error 1
>
> To fix building warning, wrap all related code with CONFIG_PM.
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Fixes: 78fe993ae714("mmc: host: Improve I/O read/write performance for GL9763E")
> Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci-pci-gli.c | 50 ++++++++++++++++----------------
>  1 file changed, 25 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
> index a76506adc206..4d509f656188 100644
> --- a/drivers/mmc/host/sdhci-pci-gli.c
> +++ b/drivers/mmc/host/sdhci-pci-gli.c
> @@ -831,31 +831,6 @@ static void sdhci_gl9763e_dumpregs(struct mmc_host *mmc)
>         sdhci_dumpregs(mmc_priv(mmc));
>  }
>
> -static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
> -{
> -       struct pci_dev *pdev = slot->chip->pdev;
> -       u32 value;
> -
> -       pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> -       value &= ~GLI_9763E_VHS_REV;
> -       value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
> -       pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> -
> -       pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
> -
> -       if (enable)
> -               value &= ~GLI_9763E_CFG_LPSN_DIS;
> -       else
> -               value |= GLI_9763E_CFG_LPSN_DIS;
> -
> -       pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
> -
> -       pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> -       value &= ~GLI_9763E_VHS_REV;
> -       value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> -       pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> -}
> -
>  static void sdhci_gl9763e_cqe_pre_enable(struct mmc_host *mmc)
>  {
>         struct cqhci_host *cq_host = mmc->cqe_private;
> @@ -991,6 +966,31 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
>  }
>
>  #ifdef CONFIG_PM
> +static void gl9763e_set_low_power_negotiation(struct sdhci_pci_slot *slot, bool enable)
> +{
> +       struct pci_dev *pdev = slot->chip->pdev;
> +       u32 value;
> +
> +       pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> +       value &= ~GLI_9763E_VHS_REV;
> +       value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
> +       pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> +
> +       pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG, &value);
> +
> +       if (enable)
> +               value &= ~GLI_9763E_CFG_LPSN_DIS;
> +       else
> +               value |= GLI_9763E_CFG_LPSN_DIS;
> +
> +       pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG, value);
> +
> +       pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
> +       value &= ~GLI_9763E_VHS_REV;
> +       value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
> +       pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
> +}
> +
>  static int gl9763e_runtime_suspend(struct sdhci_pci_chip *chip)
>  {
>         struct sdhci_pci_slot *slot = chip->slots[0];
> --
> 2.17.1
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-06-23 12:08 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-06-19 10:47 [PATCH -next] mmc: sdhci-pci-gli: Fix build error unused-function Ren Zhijie
2022-06-22  8:58 ` Adrian Hunter
2022-06-23 12:07 ` Ulf Hansson

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