* [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset
@ 2017-12-30 15:51 Himanshu Jha
2017-12-31 12:07 ` Andy Shevchenko
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Himanshu Jha @ 2017-12-30 15:51 UTC (permalink / raw)
To: arend.vanspriel
Cc: franky.lin, hante.meuleman, chi-hsien.lin, wright.feng, kvalo,
linux-wireless, brcm80211-dev-list.pdl, brcm80211-dev-list,
netdev, linux-kernel, mcgrof, Himanshu Jha
Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.
Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
---
.../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index 3c87157..bdef2ac 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1251,14 +1251,13 @@ static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo)
u64 address;
u32 addr;
- devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev,
- BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
- &devinfo->shared.scratch_dmahandle, GFP_KERNEL);
+ devinfo->shared.scratch =
+ dma_zalloc_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
+ &devinfo->shared.scratch_dmahandle,
+ GFP_KERNEL);
if (!devinfo->shared.scratch)
goto fail;
- memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
-
addr = devinfo->shared.tcm_base_address +
BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET;
address = (u64)devinfo->shared.scratch_dmahandle;
@@ -1268,14 +1267,13 @@ static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo)
BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET;
brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
- devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev,
- BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
- &devinfo->shared.ringupd_dmahandle, GFP_KERNEL);
+ devinfo->shared.ringupd =
+ dma_zalloc_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
+ &devinfo->shared.ringupd_dmahandle,
+ GFP_KERNEL);
if (!devinfo->shared.ringupd)
goto fail;
- memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
-
addr = devinfo->shared.tcm_base_address +
BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET;
address = (u64)devinfo->shared.ringupd_dmahandle;
--
2.7.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset
2017-12-30 15:51 [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset Himanshu Jha
@ 2017-12-31 12:07 ` Andy Shevchenko
2018-01-08 17:23 ` Kalle Valo
[not found] ` <20180108172322.6AD8560B1B@smtp.codeaurora.org>
2 siblings, 0 replies; 4+ messages in thread
From: Andy Shevchenko @ 2017-12-31 12:07 UTC (permalink / raw)
To: Himanshu Jha
Cc: Arend van Spriel, Franky Lin, Hante Meuleman, Chi-Hsien Lin,
Wright Feng, Kalle Valo, open list:TI WILINK WIRELES...,
open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER,
brcm80211-dev-list, netdev, Linux Kernel Mailing List,
Luis R. Rodriguez
On Sat, Dec 30, 2017 at 5:51 PM, Himanshu Jha
<himanshujha199640@gmail.com> wrote:
> Use dma_zalloc_coherent for allocating zeroed
> memory and remove unnecessary memset function.
>
> Done using Coccinelle.
> Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
> 0-day tested with no failures.
>
Makes sense.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
> Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
> ---
> .../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 18 ++++++++----------
> 1 file changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> index 3c87157..bdef2ac 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
> @@ -1251,14 +1251,13 @@ static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo)
> u64 address;
> u32 addr;
>
> - devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev,
> - BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
> - &devinfo->shared.scratch_dmahandle, GFP_KERNEL);
> + devinfo->shared.scratch =
> + dma_zalloc_coherent(&devinfo->pdev->dev,
> + BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
> + &devinfo->shared.scratch_dmahandle,
> + GFP_KERNEL);
> if (!devinfo->shared.scratch)
> goto fail;
>
> - memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
> -
> addr = devinfo->shared.tcm_base_address +
> BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET;
> address = (u64)devinfo->shared.scratch_dmahandle;
> @@ -1268,14 +1267,13 @@ static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo)
> BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET;
> brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
>
> - devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev,
> - BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
> - &devinfo->shared.ringupd_dmahandle, GFP_KERNEL);
> + devinfo->shared.ringupd =
> + dma_zalloc_coherent(&devinfo->pdev->dev,
> + BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
> + &devinfo->shared.ringupd_dmahandle,
> + GFP_KERNEL);
> if (!devinfo->shared.ringupd)
> goto fail;
>
> - memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
> -
> addr = devinfo->shared.tcm_base_address +
> BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET;
> address = (u64)devinfo->shared.ringupd_dmahandle;
> --
> 2.7.4
>
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: brcmfmac: Use zeroing memory allocator than allocator/memset
2017-12-30 15:51 [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset Himanshu Jha
2017-12-31 12:07 ` Andy Shevchenko
@ 2018-01-08 17:23 ` Kalle Valo
[not found] ` <20180108172322.6AD8560B1B@smtp.codeaurora.org>
2 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2018-01-08 17:23 UTC (permalink / raw)
To: Himanshu Jha
Cc: arend.vanspriel, franky.lin, hante.meuleman, chi-hsien.lin,
wright.feng, linux-wireless, brcm80211-dev-list.pdl,
brcm80211-dev-list, netdev, linux-kernel, mcgrof, Himanshu Jha
Himanshu Jha <himanshujha199640@gmail.com> wrote:
> Use dma_zalloc_coherent for allocating zeroed
> memory and remove unnecessary memset function.
>
> Done using Coccinelle.
> Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
> 0-day tested with no failures.
>
> Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
> Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Failed to apply:
fatal: corrupt patch at line 29
error: could not build fake ancestor
Applying: brcmfmac: Use zeroing memory allocator than allocator/memset
Patch failed at 0001 brcmfmac: Use zeroing memory allocator than allocator/memset
The copy of the patch that failed is found in: .git/rebase-apply/patch
Patch set to Changes Requested.
--
https://patchwork.kernel.org/patch/10137819/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: brcmfmac: Use zeroing memory allocator than allocator/memset
[not found] ` <20180108172322.6AD8560B1B@smtp.codeaurora.org>
@ 2018-01-08 18:24 ` Himanshu Jha
0 siblings, 0 replies; 4+ messages in thread
From: Himanshu Jha @ 2018-01-08 18:24 UTC (permalink / raw)
To: Kalle Valo
Cc: arend.vanspriel, franky.lin, hante.meuleman, chi-hsien.lin,
wright.feng, linux-wireless, brcm80211-dev-list.pdl,
brcm80211-dev-list, netdev, linux-kernel, mcgrof
On Mon, Jan 08, 2018 at 05:23:22PM +0000, Kalle Valo wrote:
> Himanshu Jha <himanshujha199640@gmail.com> wrote:
>
> > Use dma_zalloc_coherent for allocating zeroed
> > memory and remove unnecessary memset function.
> >
> > Done using Coccinelle.
> > Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
> > 0-day tested with no failures.
> >
> > Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
> > Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
>
> Failed to apply:
>
> fatal: corrupt patch at line 29
> error: could not build fake ancestor
> Applying: brcmfmac: Use zeroing memory allocator than allocator/memset
> Patch failed at 0001 brcmfmac: Use zeroing memory allocator than allocator/memset
> The copy of the patch that failed is found in: .git/rebase-apply/patch
>
> Patch set to Changes Requested.
Sorry! That failed because I manually adjusted the arguments to prevent
80 character limit in the patch generated.
I will rebase and send v2 with updates.
--
Thanks
Himanshu Jha
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-01-08 18:25 UTC | newest]
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2017-12-30 15:51 [PATCH] brcmfmac: Use zeroing memory allocator than allocator/memset Himanshu Jha
2017-12-31 12:07 ` Andy Shevchenko
2018-01-08 17:23 ` Kalle Valo
[not found] ` <20180108172322.6AD8560B1B@smtp.codeaurora.org>
2018-01-08 18:24 ` Himanshu Jha
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