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* [PATCH V1] mmc: sdhci: Fix sdhci_do_enable_v4_mode
@ 2018-12-13 20:34 ` Sowjanya Komatineni
  0 siblings, 0 replies; 4+ messages in thread
From: Sowjanya Komatineni @ 2018-12-13 20:34 UTC (permalink / raw)
  To: adrian.hunter, ulf.hansson, linux-mmc
  Cc: thierry.reding, jonathanh, linux-tegra, linux-kernel,
	Sowjanya Komatineni

V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
Need to perform word access to this register.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 drivers/mmc/host/sdhci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 99bdae53fa2e..fde984d10619 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
 {
 	u16 ctrl2;
 
-	ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
+	ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
 	if (ctrl2 & SDHCI_CTRL_V4_MODE)
 		return;
 
 	ctrl2 |= SDHCI_CTRL_V4_MODE;
-	sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
+	sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
 }
 
 /*
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH V1] mmc: sdhci: Fix sdhci_do_enable_v4_mode
@ 2018-12-13 20:34 ` Sowjanya Komatineni
  0 siblings, 0 replies; 4+ messages in thread
From: Sowjanya Komatineni @ 2018-12-13 20:34 UTC (permalink / raw)
  To: adrian.hunter, ulf.hansson, linux-mmc
  Cc: thierry.reding, jonathanh, linux-tegra, linux-kernel,
	Sowjanya Komatineni

V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
Need to perform word access to this register.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 drivers/mmc/host/sdhci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 99bdae53fa2e..fde984d10619 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
 {
 	u16 ctrl2;
 
-	ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
+	ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
 	if (ctrl2 & SDHCI_CTRL_V4_MODE)
 		return;
 
 	ctrl2 |= SDHCI_CTRL_V4_MODE;
-	sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
+	sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
 }
 
 /*
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH V1] mmc: sdhci: Fix sdhci_do_enable_v4_mode
  2018-12-13 20:34 ` Sowjanya Komatineni
  (?)
@ 2018-12-14  7:34 ` Adrian Hunter
  -1 siblings, 0 replies; 4+ messages in thread
From: Adrian Hunter @ 2018-12-14  7:34 UTC (permalink / raw)
  To: Sowjanya Komatineni, ulf.hansson, linux-mmc
  Cc: thierry.reding, jonathanh, linux-tegra, linux-kernel

On 13/12/18 10:34 PM, Sowjanya Komatineni wrote:
> V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
> Need to perform word access to this register.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>

Fixes: b3f80b434f726 ("mmc: sdhci: Add sd host v4 mode")

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

> ---
>  drivers/mmc/host/sdhci.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 99bdae53fa2e..fde984d10619 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
>  {
>  	u16 ctrl2;
>  
> -	ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
> +	ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>  	if (ctrl2 & SDHCI_CTRL_V4_MODE)
>  		return;
>  
>  	ctrl2 |= SDHCI_CTRL_V4_MODE;
> -	sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
> +	sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
>  }
>  
>  /*
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH V1] mmc: sdhci: Fix sdhci_do_enable_v4_mode
  2018-12-13 20:34 ` Sowjanya Komatineni
  (?)
  (?)
@ 2018-12-17  8:07 ` Ulf Hansson
  -1 siblings, 0 replies; 4+ messages in thread
From: Ulf Hansson @ 2018-12-17  8:07 UTC (permalink / raw)
  To: Sowjanya Komatineni
  Cc: Adrian Hunter, linux-mmc, Thierry Reding, Jon Hunter,
	linux-tegra, Linux Kernel Mailing List

On Thu, 13 Dec 2018 at 21:34, Sowjanya Komatineni
<skomatineni@nvidia.com> wrote:
>
> V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
> Need to perform word access to this register.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 99bdae53fa2e..fde984d10619 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
>  {
>         u16 ctrl2;
>
> -       ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
> +       ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>         if (ctrl2 & SDHCI_CTRL_V4_MODE)
>                 return;
>
>         ctrl2 |= SDHCI_CTRL_V4_MODE;
> -       sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
> +       sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
>  }
>
>  /*
> --
> 2.7.4
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-12-17  8:07 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-12-13 20:34 [PATCH V1] mmc: sdhci: Fix sdhci_do_enable_v4_mode Sowjanya Komatineni
2018-12-13 20:34 ` Sowjanya Komatineni
2018-12-14  7:34 ` Adrian Hunter
2018-12-17  8:07 ` Ulf Hansson

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