[PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
From: Arend Van Spriel This fixes the following errors showing up in dmesg: [ 32.528271] brcmfmac: brcmf_sdio_rxglom: sublen 524 not multiple of 8 [ 32.528296] brcmfmac: brcmf_sdio_rxglom: sublen 84 not multiple of 8 [ 33.063241] brcmfmac: brcmf_sdio_rxglom: sublen 1492 not multiple of 8 Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") Suggested-by: Arend van Spriel Signed-off-by: Hans de Goede --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index fc64b8913aa6..e03450059b06 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3422,7 +3422,7 @@ static int brcmf_sdio_bus_preinit(struct device *dev) /* otherwise, set txglomalign */ value = sdiodev->settings->bus.sdio.sd_sgentry_align; /* SDIO ADMA requires at least 32 bit alignment */ - value = max_t(u32, value, 4); + value = max_t(u32, value, ALIGNMENT); err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value, sizeof(u32)); } -- 2.13.0
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
Hans de Goede writes: > From: Arend Van Spriel > > This fixes the following errors showing up in dmesg: > > [ 32.528271] brcmfmac: brcmf_sdio_rxglom: sublen 524 not multiple of 8 > [ 32.528296] brcmfmac: brcmf_sdio_rxglom: sublen 84 not multiple of 8 > [ 33.063241] brcmfmac: brcmf_sdio_rxglom: sublen 1492 not multiple of 8 > > Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") > Suggested-by: Arend van Spriel > Signed-off-by: Hans de Goede I'll queue this to 4.12. -- Kalle Valo
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
Hi, On 26-05-17 13:15, Kalle Valo wrote: Hans de Goede writes: From: Arend Van Spriel Ah I see I set the Author to Arend when I added this to my tree a while back, that is fine as he did all the work for this one. I was under the impression Arend would submit this himself, but since I did not see a submission yet I decided to go ahead and submit this. This fixes the following errors showing up in dmesg: [ 32.528271] brcmfmac: brcmf_sdio_rxglom: sublen 524 not multiple of 8 [ 32.528296] brcmfmac: brcmf_sdio_rxglom: sublen 84 not multiple of 8 [ 33.063241] brcmfmac: brcmf_sdio_rxglom: sublen 1492 not multiple of 8 Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") Suggested-by: Arend van Spriel Signed-off-by: Hans de Goede I'll queue this to 4.12. Thank you, given that Arend is set as the Author you can add my: Tested-by: Hans de Goede And maybe drop the Suggested-by: Arend van Spriel ? Regards, Hans
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
On 26-05-17 13:18, Hans de Goede wrote: > Hi, > > On 26-05-17 13:15, Kalle Valo wrote: >> Hans de Goede writes: >> >>> From: Arend Van Spriel > > Ah I see I set the Author to Arend when I added this to my > tree a while back, that is fine as he did all the work > for this one. I was under the impression Arend would submit > this himself, but since I did not see a submission yet > I decided to go ahead and submit this. I did not get to sending it last week. My work hours for open-source have been reduced by 80% so time is limited. I have it queued. >>> This fixes the following errors showing up in dmesg: >>> >>> [ 32.528271] brcmfmac: brcmf_sdio_rxglom: sublen 524 not multiple of 8 >>> [ 32.528296] brcmfmac: brcmf_sdio_rxglom: sublen 84 not multiple of 8 >>> [ 33.063241] brcmfmac: brcmf_sdio_rxglom: sublen 1492 not multiple >>> of 8 >>> >>> Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") >>> Suggested-by: Arend van Spriel >>> Signed-off-by: Hans de Goede >> >> I'll queue this to 4.12. > > Thank you, given that Arend is set as the Author you can add my: > > Tested-by: Hans de Goede > > And maybe drop the Suggested-by: Arend van Spriel ? Seems to me you need my Signed-off-by: as I do not see that in this patch. Regards, Arend
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
Arend van Spriel writes: Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") Suggested-by: Arend van Spriel Signed-off-by: Hans de Goede >>> >>> I'll queue this to 4.12. >> >> Thank you, given that Arend is set as the Author you can add my: >> >> Tested-by: Hans de Goede >> >> And maybe drop the Suggested-by: Arend van Spriel ? Sure, I can add that. > Seems to me you need my Signed-off-by: as I do not see that in this patch. Yes, that is needed if you are the author. If you reply to this message I can add that. -- Kalle Valo
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
On 26-05-17 16:53, Kalle Valo wrote: > Arend van Spriel writes: > > Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") > Suggested-by: Arend van Spriel > Signed-off-by: Hans de Goede I'll queue this to 4.12. >>> >>> Thank you, given that Arend is set as the Author you can add my: >>> >>> Tested-by: Hans de Goede >>> >>> And maybe drop the Suggested-by: Arend van Spriel ? > > Sure, I can add that. > >> Seems to me you need my Signed-off-by: as I do not see that in this patch. > > Yes, that is needed if you are the author. If you reply to this message > I can add that. Ok. Here it is. Please feel free to add Signed-off-by tag for me authoring this change. The Signed-off-by tag for Hans can stay as well as this patch went through his hands (and he came up with the commit message ;-) ). Regards, Arend
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
On 26-05-17 19:11, Arend van Spriel wrote: > On 26-05-17 16:53, Kalle Valo wrote: >> Arend van Spriel writes: >> >> Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") >> Suggested-by: Arend van Spriel >> Signed-off-by: Hans de Goede > > I'll queue this to 4.12. Thank you, given that Arend is set as the Author you can add my: Tested-by: Hans de Goede And maybe drop the Suggested-by: Arend van Spriel ? >> >> Sure, I can add that. >> >>> Seems to me you need my Signed-off-by: as I do not see that in this patch. >> >> Yes, that is needed if you are the author. If you reply to this message >> I can add that. > > Ok. Here it is. Please feel free to add Signed-off-by tag for me > authoring this change. The Signed-off-by tag for Hans can stay as well > as this patch went through his hands (and he came up with the commit > message ;-) ). Hi Kalle, Here is the commit message I came up with which may explain the issue better: """ brcmfmac: fix alignment configuration on host using 64-bit DMA For SDIO the alignment requirement for transfers from device to host is configured in firmware. This configuration is limited to minimum of 4-byte alignment. However, this is not correct for platforms using 64-bit DMA when the minimum alignment should be 8 bytes. This issue appeared when the ALIGNMENT definition was set according the DMA configuration. The configuration in firmware was not using that macro defintion, but a hardcoded value of 4. Hence the driver reported alignment failures for data coming from the device and causing transfers to fail. Fixes: 6e84ab604bde ("brcmfmac: properly align buffers on certain platforms Reported-by: Hans de Goede Tested-by: Hans de Goede Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Franky Lin Signed-off-by: Arend van Spriel """ I leave it at your discretion how to deal with this. If needed I can submit the complete patch. Regards, Arend
Re: [PATCH 4.12 REGRESSION fix] brcmfmac: Use ALIGNMENT rather then hardcoded "4" for bus:txglomalign
On 26-05-17 19:11, Arend van Spriel wrote: > On 26-05-17 16:53, Kalle Valo wrote: >> Arend van Spriel writes: >> >> Fixes: 6e84ab604bde ("properly align buffers ... with 64 bit DMA") >> Suggested-by: Arend van Spriel >> Signed-off-by: Hans de Goede > > I'll queue this to 4.12. Thank you, given that Arend is set as the Author you can add my: Tested-by: Hans de Goede And maybe drop the Suggested-by: Arend van Spriel ? >> >> Sure, I can add that. >> >>> Seems to me you need my Signed-off-by: as I do not see that in this patch. >> >> Yes, that is needed if you are the author. If you reply to this message >> I can add that. > > Ok. Here it is. Please feel free to add Signed-off-by tag for me > authoring this change. The Signed-off-by tag for Hans can stay as well > as this patch went through his hands (and he came up with the commit > message ;-) ). Hi Kalle, Here is the commit message I came up with which may explain the issue better: """ brcmfmac: fix alignment configuration on host using 64-bit DMA For SDIO the alignment requirement for transfers from device to host is configured in firmware. This configuration is limited to minimum of 4-byte alignment. However, this is not correct for platforms using 64-bit DMA when the minimum alignment should be 8 bytes. This issue appeared when the ALIGNMENT definition was set according the DMA configuration. The configuration in firmware was not using that macro defintion, but a hardcoded value of 4. Hence the driver reported alignment failures for data coming from the device and causing transfers to fail. Fixes: 6e84ab604bde ("brcmfmac: properly align buffers on certain platforms Reported-by: Hans de Goede Tested-by: Hans de Goede Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Franky Lin Signed-off-by: Arend van Spriel """ I leave it at your discretion how to deal with this. If needed I can submit the complete patch. Regards, Arend