Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2018-01-08 Thread Kalle Valo
Alagu Sankar writes: > On 2017-12-22 21:38, Kalle Valo wrote: >> silexcom...@gmail.com writes: >> >>> From: Alagu Sankar >>> >>> Some SD host controllers still need bounce buffers for SDIO data >>> transfers. While the transfers worked

Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-12-27 Thread Adrian Chadd
[top post for emphasis] Arend is right. You won't be the only driver which has issues with a controller that doesn't handle non-aligned data payloads. Please push it into the stack or the controller side, but not in the driver side. That'll be a forever game of whack-a-mole. -adrian (I'm

Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-12-27 Thread Arend van Spriel
On 12/25/2017 1:26 PM, Alagu Sankar wrote: On 2017-12-22 21:38, Kalle Valo wrote: silexcom...@gmail.com writes: From: Alagu Sankar Some SD host controllers still need bounce buffers for SDIO data transfers. While the transfers worked fine on x86 platforms, this

Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-12-25 Thread Adrian Chadd
Hi, I think Kalle is pointing out that maybe it's the SDHCI driver responsibility to do the bounce buffering? -adrian ___ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k

Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-12-25 Thread Alagu Sankar
On 2017-12-22 21:38, Kalle Valo wrote: silexcom...@gmail.com writes: From: Alagu Sankar Some SD host controllers still need bounce buffers for SDIO data transfers. While the transfers worked fine on x86 platforms, this is found to be required for i.MX6 based

Re: [PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-12-22 Thread Kalle Valo
silexcom...@gmail.com writes: > From: Alagu Sankar > > Some SD host controllers still need bounce buffers for SDIO data > transfers. While the transfers worked fine on x86 platforms, > this is found to be required for i.MX6 based systems. > > Changes are similar to

[PATCH 03/11] ath10k_sdio: DMA bounce buffers for read write

2017-09-30 Thread silexcommon
From: Alagu Sankar Some SD host controllers still need bounce buffers for SDIO data transfers. While the transfers worked fine on x86 platforms, this is found to be required for i.MX6 based systems. Changes are similar to and derived from the ath6kl sdio driver.