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* [PATCH] libertas: remove ps_supported flag, use fwcapinfo
@ 2009-06-12  1:40 Andrey Yurovsky
  2009-06-16 20:00 ` Dan Williams
  0 siblings, 1 reply; 4+ messages in thread
From: Andrey Yurovsky @ 2009-06-12  1:40 UTC (permalink / raw)
  To: linux-wireless; +Cc: dcbw, Andrey Yurovsky

Power save support depends on the firmware capabilities rather than the
card's hardware interface.  Use the FW_CAPINFO_PS bit in the firmware
capabilities mask throughout the driver in place of the redundant
ps_supported flag and don't make decisions about PS support in the
interface drivers (with the exception of a special case in the USB
driver).

Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
---
 drivers/net/wireless/libertas/dev.h     |    1 -
 drivers/net/wireless/libertas/if_cs.c   |    3 ---
 drivers/net/wireless/libertas/if_sdio.c |    3 ---
 drivers/net/wireless/libertas/if_spi.c  |    1 -
 drivers/net/wireless/libertas/if_usb.c  |    2 +-
 drivers/net/wireless/libertas/wext.c    |    2 +-
 6 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index f9ec69e..578c697 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -260,7 +260,6 @@ struct lbs_private {
 	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
 				   Wlan802_11PowermodeMAX_PSP=enable */
 	u32 psstate;
-	char ps_supported;
 	u8 needtowakeup;
 
 	struct assoc_request * pending_assoc_req;
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 2a5b083..f658fd6 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -933,9 +933,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
 		goto out3;
 	}
 
-	/* The firmware for the CF card supports powersave */
-	priv->ps_supported = 1;
-
 	ret = 0;
 	goto out;
 
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 8cdb88c..89396a7 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -1039,9 +1039,6 @@ static int if_sdio_probe(struct sdio_func *func,
 	if (ret)
 		goto err_activate_card;
 
-	if (priv->fwcapinfo & FW_CAPINFO_PS)
-		priv->ps_supported = 1;
-
 out:
 	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
 
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index f8c2898..2045ac3 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -1117,7 +1117,6 @@ static int __devinit if_spi_probe(struct spi_device *spi)
 	priv->card = card;
 	priv->hw_host_to_card = if_spi_host_to_card;
 	priv->fw_ready = 1;
-	priv->ps_supported = 1;
 
 	/* Initialize interrupt handling stuff. */
 	card->run_thread = 1;
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index ea3dc03..04da68e 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -188,7 +188,7 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
 	} else {
 		if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
 			lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
-			priv->ps_supported = 1;
+			priv->fwcapinfo &= ~FW_CAPINFO_PS;
 		} else {
 			/* The versions which boot up this way don't seem to
 			   work even if we set it to the command interrupt */
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 8bc1907..e96451c 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -712,7 +712,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!priv->ps_supported) {
+	if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
 		if (vwrq->disabled)
 			return 0;
 		else
-- 
1.5.6.3


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

* Re: [PATCH] libertas: remove ps_supported flag, use fwcapinfo
  2009-06-12  1:40 [PATCH] libertas: remove ps_supported flag, use fwcapinfo Andrey Yurovsky
@ 2009-06-16 20:00 ` Dan Williams
  2009-06-16 20:20   ` [PATCH v2] " Andrey Yurovsky
  0 siblings, 1 reply; 4+ messages in thread
From: Dan Williams @ 2009-06-16 20:00 UTC (permalink / raw)
  To: Andrey Yurovsky; +Cc: linux-wireless

On Thu, 2009-06-11 at 18:40 -0700, Andrey Yurovsky wrote:
> Power save support depends on the firmware capabilities rather than the
> card's hardware interface.  Use the FW_CAPINFO_PS bit in the firmware
> capabilities mask throughout the driver in place of the redundant
> ps_supported flag and don't make decisions about PS support in the
> interface drivers (with the exception of a special case in the USB
> driver).
> 
> Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
> ---
>  drivers/net/wireless/libertas/dev.h     |    1 -
>  drivers/net/wireless/libertas/if_cs.c   |    3 ---
>  drivers/net/wireless/libertas/if_sdio.c |    3 ---
>  drivers/net/wireless/libertas/if_spi.c  |    1 -
>  drivers/net/wireless/libertas/if_usb.c  |    2 +-
>  drivers/net/wireless/libertas/wext.c    |    2 +-
>  6 files changed, 2 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
> index f9ec69e..578c697 100644
> --- a/drivers/net/wireless/libertas/dev.h
> +++ b/drivers/net/wireless/libertas/dev.h
> @@ -260,7 +260,6 @@ struct lbs_private {
>  	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
>  				   Wlan802_11PowermodeMAX_PSP=enable */
>  	u32 psstate;
> -	char ps_supported;
>  	u8 needtowakeup;
>  
>  	struct assoc_request * pending_assoc_req;
> diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
> index 2a5b083..f658fd6 100644
> --- a/drivers/net/wireless/libertas/if_cs.c
> +++ b/drivers/net/wireless/libertas/if_cs.c
> @@ -933,9 +933,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
>  		goto out3;
>  	}
>  
> -	/* The firmware for the CF card supports powersave */
> -	priv->ps_supported = 1;
> -
>  	ret = 0;
>  	goto out;
>  
> diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
> index 8cdb88c..89396a7 100644
> --- a/drivers/net/wireless/libertas/if_sdio.c
> +++ b/drivers/net/wireless/libertas/if_sdio.c
> @@ -1039,9 +1039,6 @@ static int if_sdio_probe(struct sdio_func *func,
>  	if (ret)
>  		goto err_activate_card;
>  
> -	if (priv->fwcapinfo & FW_CAPINFO_PS)
> -		priv->ps_supported = 1;
> -
>  out:
>  	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
>  
> diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
> index f8c2898..2045ac3 100644
> --- a/drivers/net/wireless/libertas/if_spi.c
> +++ b/drivers/net/wireless/libertas/if_spi.c
> @@ -1117,7 +1117,6 @@ static int __devinit if_spi_probe(struct spi_device *spi)
>  	priv->card = card;
>  	priv->hw_host_to_card = if_spi_host_to_card;
>  	priv->fw_ready = 1;
> -	priv->ps_supported = 1;
>  
>  	/* Initialize interrupt handling stuff. */
>  	card->run_thread = 1;
> diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
> index ea3dc03..04da68e 100644
> --- a/drivers/net/wireless/libertas/if_usb.c
> +++ b/drivers/net/wireless/libertas/if_usb.c
> @@ -188,7 +188,7 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
>  	} else {
>  		if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
>  			lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
> -			priv->ps_supported = 1;
> +			priv->fwcapinfo &= ~FW_CAPINFO_PS;

This seems odd; wouldn't

priv->fwcapinfo |= FW_CAPINFO_PS;

be the right thing to do here?

Dan

>  		} else {
>  			/* The versions which boot up this way don't seem to
>  			   work even if we set it to the command interrupt */
> diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
> index 8bc1907..e96451c 100644
> --- a/drivers/net/wireless/libertas/wext.c
> +++ b/drivers/net/wireless/libertas/wext.c
> @@ -712,7 +712,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
>  
>  	lbs_deb_enter(LBS_DEB_WEXT);
>  
> -	if (!priv->ps_supported) {
> +	if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
>  		if (vwrq->disabled)
>  			return 0;
>  		else


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

* [PATCH v2] libertas: remove ps_supported flag, use fwcapinfo
  2009-06-16 20:00 ` Dan Williams
@ 2009-06-16 20:20   ` Andrey Yurovsky
  2009-06-16 20:41     ` Dan Williams
  0 siblings, 1 reply; 4+ messages in thread
From: Andrey Yurovsky @ 2009-06-16 20:20 UTC (permalink / raw)
  To: linux-wireless; +Cc: dcbw, libertas-dev, Andrey Yurovsky

Power save support depends on the firmware capabilities rather than the
card's hardware interface.  Use the FW_CAPINFO_PS bit in the firmware
capabilities mask throughout the driver in place of the redundant
ps_supported flag and don't make decisions about PS support in the
interface drivers (with the exception of a special case in the USB
driver).

V2: put the USB special case in the right place.

Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
---
 drivers/net/wireless/libertas/dev.h     |    1 -
 drivers/net/wireless/libertas/if_cs.c   |    3 ---
 drivers/net/wireless/libertas/if_sdio.c |    3 ---
 drivers/net/wireless/libertas/if_spi.c  |    1 -
 drivers/net/wireless/libertas/if_usb.c  |    3 ++-
 drivers/net/wireless/libertas/wext.c    |    2 +-
 6 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index f9ec69e..578c697 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -260,7 +260,6 @@ struct lbs_private {
 	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
 				   Wlan802_11PowermodeMAX_PSP=enable */
 	u32 psstate;
-	char ps_supported;
 	u8 needtowakeup;
 
 	struct assoc_request * pending_assoc_req;
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 2a5b083..f658fd6 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -933,9 +933,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
 		goto out3;
 	}
 
-	/* The firmware for the CF card supports powersave */
-	priv->ps_supported = 1;
-
 	ret = 0;
 	goto out;
 
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 8cdb88c..89396a7 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -1039,9 +1039,6 @@ static int if_sdio_probe(struct sdio_func *func,
 	if (ret)
 		goto err_activate_card;
 
-	if (priv->fwcapinfo & FW_CAPINFO_PS)
-		priv->ps_supported = 1;
-
 out:
 	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
 
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 923ed58..956566b 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -1118,7 +1118,6 @@ static int __devinit if_spi_probe(struct spi_device *spi)
 	priv->card = card;
 	priv->hw_host_to_card = if_spi_host_to_card;
 	priv->fw_ready = 1;
-	priv->ps_supported = 1;
 
 	/* Initialize interrupt handling stuff. */
 	card->run_thread = 1;
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index ea3dc03..16653c1 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -185,13 +185,14 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
 	wake_method.action = cpu_to_le16(CMD_ACT_GET);
 	if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
 		lbs_pr_info("Firmware does not seem to support PS mode\n");
+		priv->fwcapinfo &= ~FW_CAPINFO_PS;
 	} else {
 		if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
 			lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
-			priv->ps_supported = 1;
 		} else {
 			/* The versions which boot up this way don't seem to
 			   work even if we set it to the command interrupt */
+			priv->fwcapinfo &= ~FW_CAPINFO_PS;
 			lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
 		}
 	}
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 8bc1907..e96451c 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -712,7 +712,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!priv->ps_supported) {
+	if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
 		if (vwrq->disabled)
 			return 0;
 		else
-- 
1.5.6.3


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

* Re: [PATCH v2] libertas: remove ps_supported flag, use fwcapinfo
  2009-06-16 20:20   ` [PATCH v2] " Andrey Yurovsky
@ 2009-06-16 20:41     ` Dan Williams
  0 siblings, 0 replies; 4+ messages in thread
From: Dan Williams @ 2009-06-16 20:41 UTC (permalink / raw)
  To: Andrey Yurovsky; +Cc: linux-wireless, libertas-dev

On Tue, 2009-06-16 at 13:20 -0700, Andrey Yurovsky wrote:
> Power save support depends on the firmware capabilities rather than the
> card's hardware interface.  Use the FW_CAPINFO_PS bit in the firmware
> capabilities mask throughout the driver in place of the redundant
> ps_supported flag and don't make decisions about PS support in the
> interface drivers (with the exception of a special case in the USB
> driver).
> 
> V2: put the USB special case in the right place.
> 
> Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>

Acked-by: Dan Williams <dcbw@redhat.com>

> ---
>  drivers/net/wireless/libertas/dev.h     |    1 -
>  drivers/net/wireless/libertas/if_cs.c   |    3 ---
>  drivers/net/wireless/libertas/if_sdio.c |    3 ---
>  drivers/net/wireless/libertas/if_spi.c  |    1 -
>  drivers/net/wireless/libertas/if_usb.c  |    3 ++-
>  drivers/net/wireless/libertas/wext.c    |    2 +-
>  6 files changed, 3 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
> index f9ec69e..578c697 100644
> --- a/drivers/net/wireless/libertas/dev.h
> +++ b/drivers/net/wireless/libertas/dev.h
> @@ -260,7 +260,6 @@ struct lbs_private {
>  	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
>  				   Wlan802_11PowermodeMAX_PSP=enable */
>  	u32 psstate;
> -	char ps_supported;
>  	u8 needtowakeup;
>  
>  	struct assoc_request * pending_assoc_req;
> diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
> index 2a5b083..f658fd6 100644
> --- a/drivers/net/wireless/libertas/if_cs.c
> +++ b/drivers/net/wireless/libertas/if_cs.c
> @@ -933,9 +933,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
>  		goto out3;
>  	}
>  
> -	/* The firmware for the CF card supports powersave */
> -	priv->ps_supported = 1;
> -
>  	ret = 0;
>  	goto out;
>  
> diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
> index 8cdb88c..89396a7 100644
> --- a/drivers/net/wireless/libertas/if_sdio.c
> +++ b/drivers/net/wireless/libertas/if_sdio.c
> @@ -1039,9 +1039,6 @@ static int if_sdio_probe(struct sdio_func *func,
>  	if (ret)
>  		goto err_activate_card;
>  
> -	if (priv->fwcapinfo & FW_CAPINFO_PS)
> -		priv->ps_supported = 1;
> -
>  out:
>  	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
>  
> diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
> index 923ed58..956566b 100644
> --- a/drivers/net/wireless/libertas/if_spi.c
> +++ b/drivers/net/wireless/libertas/if_spi.c
> @@ -1118,7 +1118,6 @@ static int __devinit if_spi_probe(struct spi_device *spi)
>  	priv->card = card;
>  	priv->hw_host_to_card = if_spi_host_to_card;
>  	priv->fw_ready = 1;
> -	priv->ps_supported = 1;
>  
>  	/* Initialize interrupt handling stuff. */
>  	card->run_thread = 1;
> diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
> index ea3dc03..16653c1 100644
> --- a/drivers/net/wireless/libertas/if_usb.c
> +++ b/drivers/net/wireless/libertas/if_usb.c
> @@ -185,13 +185,14 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
>  	wake_method.action = cpu_to_le16(CMD_ACT_GET);
>  	if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
>  		lbs_pr_info("Firmware does not seem to support PS mode\n");
> +		priv->fwcapinfo &= ~FW_CAPINFO_PS;
>  	} else {
>  		if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
>  			lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
> -			priv->ps_supported = 1;
>  		} else {
>  			/* The versions which boot up this way don't seem to
>  			   work even if we set it to the command interrupt */
> +			priv->fwcapinfo &= ~FW_CAPINFO_PS;
>  			lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
>  		}
>  	}
> diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
> index 8bc1907..e96451c 100644
> --- a/drivers/net/wireless/libertas/wext.c
> +++ b/drivers/net/wireless/libertas/wext.c
> @@ -712,7 +712,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
>  
>  	lbs_deb_enter(LBS_DEB_WEXT);
>  
> -	if (!priv->ps_supported) {
> +	if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
>  		if (vwrq->disabled)
>  			return 0;
>  		else
> -- 
> 1.5.6.3
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


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

end of thread, other threads:[~2009-06-16 20:41 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-06-12  1:40 [PATCH] libertas: remove ps_supported flag, use fwcapinfo Andrey Yurovsky
2009-06-16 20:00 ` Dan Williams
2009-06-16 20:20   ` [PATCH v2] " Andrey Yurovsky
2009-06-16 20:41     ` Dan Williams

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