linux-kernel - Re: [PATCH 1/3] crypto: qat - Simplify code and axe the use of a deprecated API

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Date:   Mon, 12 Jul 2021 13:20:57 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     giovanni.cabiddu@...el.com, herbert@...dor.apana.org.au,
        davem@...emloft.net, tomaszx.kowalik@...el.com,
        marco.chiappero@...el.com, fiona.trahe@...el.com,
        wojciech.ziemba@...el.com, ztong0001@...il.com,
        qat-linux@...el.com, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/3] crypto: qat - Simplify code and axe the use of a
 deprecated API

On Sun, Jul 11, 2021 at 08:13:18AM +0200, Christophe JAILLET wrote:
> The wrappers in include/linux/pci-dma-compat.h should go away.
> 
> Replace 'pci_set_dma_mask/pci_set_consistent_dma_mask' by an equivalent
> and less verbose 'dma_set_mask_and_coherent()' call.

> If needed, see post from Christoph Hellwig on the kernel-janitors ML:
>    https://marc.info/?l=kernel-janitors&m=158745678307186&w=4

See his another (recent) mail here: https://www.spinics.net/lists/kernel/msg3967232.html...

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {

> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

...and drop this part from all entries completely.

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
> +		if ((dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) {

-- 
With Best Regards,
Andy Shevchenko