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From: LABBE Corentin <clabbe@baylibre.com>
To: John Keeping <john@metanate.com>
Cc: heiko@sntech.de, herbert@gondor.apana.org.au, krzk+dt@kernel.org,
	robh+dt@kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v4 17/33] crypto: rockchip: use read_poll_timeout
Date: Mon, 11 Apr 2022 10:33:22 +0200	[thread overview]
Message-ID: <YlPn0nevX6zdYWwG@Red> (raw)
In-Reply-To: <YkrYs87bgWs7+tOm@donbot>

Le Mon, Apr 04, 2022 at 12:38:27PM +0100, John Keeping a écrit :
> On Fri, Apr 01, 2022 at 08:17:48PM +0000, Corentin Labbe wrote:
> > Use read_poll_timeout instead of open coding it
> > 
> > Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
> > ---
> >  drivers/crypto/rockchip/rk3288_crypto_ahash.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
> > index 137013bd4410..21c9a0327ddf 100644
> > --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c
> > +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
> > @@ -10,6 +10,7 @@
> >   */
> >  #include <linux/device.h>
> >  #include <asm/unaligned.h>
> > +#include <linux/iopoll.h>
> >  #include "rk3288_crypto.h"
> >  
> >  /*
> > @@ -305,8 +306,8 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq)
> >  		 * efficiency, and make it response quickly when dma
> >  		 * complete.
> >  		 */
> > -	while (!CRYPTO_READ(tctx->dev, RK_CRYPTO_HASH_STS))
> > -		udelay(10);
> > +	read_poll_timeout(readl, v, v == 0, 10, 1000, false,
> > +			  tctx->dev->dev + RK_CRYPTO_HASH_STS);
> 
> This can be simplified to:
> 
> 	readl_poll_timeout(tctx->dev->dev + RK_CRYPTO_HASH_STS,
> 			   v, v == 0, 10, 1000);

Thanks, this is better.

> 
> But shouldn't this be tctx->dev->reg ?!

Yes, I will fix it.

Thanks
Regards

  reply	other threads:[~2022-04-11  8:33 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-01 20:17 [PATCH v4 00/33] crypto: rockchip: permit to pass self-tests Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 01/33] crypto: rockchip: use dev_err for error message about interrupt Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 02/33] crypto: rockchip: do not use uninitialized variable Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 03/33] crypto: rockchip: do not do custom power management Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 04/33] crypto: rockchip: fix privete/private typo Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 05/33] crypto: rockchip: do not store mode globally Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 06/33] crypto: rockchip: add fallback for cipher Corentin Labbe
2022-04-04 11:26   ` John Keeping
2022-04-11  8:42     ` LABBE Corentin
2022-04-01 20:17 ` [PATCH v4 07/33] crypto: rockchip: add fallback for ahash Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 08/33] crypto: rockchip: better handle cipher key Corentin Labbe
2022-04-04 11:31   ` John Keeping
2022-04-11  8:51     ` LABBE Corentin
2022-04-01 20:17 ` [PATCH v4 09/33] crypto: rockchip: remove non-aligned handling Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 10/33] crypto: rockchip: rework by using crypto_engine Corentin Labbe
2022-04-02  8:22   ` kernel test robot
2022-04-02 20:04     ` LABBE Corentin
2022-04-01 20:17 ` [PATCH v4 11/33] crypto: rockchip: rewrite type Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 12/33] crypto: rockchip: add debugfs Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 13/33] crypto: rockchip: introduce PM Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 14/33] crypto: rockchip: handle reset also in PM Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 15/33] crypto: rockchip: use clk_bulk to simplify clock management Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 16/33] crypto: rockchip: add myself as maintainer Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 17/33] crypto: rockchip: use read_poll_timeout Corentin Labbe
2022-04-04 11:38   ` John Keeping
2022-04-11  8:33     ` LABBE Corentin [this message]
2022-04-01 20:17 ` [PATCH v4 18/33] crypto: rockchip: fix style issue Corentin Labbe
2022-04-04 11:39   ` John Keeping
2022-04-11  7:40     ` LABBE Corentin
2022-04-01 20:17 ` [PATCH v4 19/33] crypto: rockchip: add support for rk3328 Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 20/33] crypto: rockchip: rename ablk functions to cipher Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 21/33] crypto: rockchip: rework rk_handle_req function Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 22/33] crypto: rockchip: use a rk_crypto_info variable instead of lot of indirection Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 23/33] crypto: rockchip: use the rk_crypto_info given as parameter Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 24/33] crypto: rockchip: rename crypto_info to main in TFM context Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 25/33] crypto: rockchip: store crypto_info in request context Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 26/33] crypto: rockchip: Add support for rk3399 Corentin Labbe
2022-04-01 20:17 ` [PATCH v4 27/33] dt-bindings: crypto: convert rockchip-crypto to yaml Corentin Labbe
2022-04-02 12:10   ` Krzysztof Kozlowski
2022-04-02 20:11     ` LABBE Corentin
2022-04-01 20:17 ` [PATCH v4 28/33] dt-bindings: crypto: rockchip: convert to new driver bindings Corentin Labbe
2022-04-02 11:53   ` Krzysztof Kozlowski
2022-04-02 12:07     ` Krzysztof Kozlowski
2022-04-03 18:58       ` LABBE Corentin
2022-04-02 20:10     ` LABBE Corentin
2022-04-02 20:19       ` Krzysztof Kozlowski
2022-04-01 20:18 ` [PATCH v4 29/33] clk: rk3399: use proper crypto0 name Corentin Labbe
2022-04-06 16:07   ` Rob Herring
2022-04-01 20:18 ` [PATCH v4 30/33] ARM: dts: rk3288: crypto does not need reset-names anymore Corentin Labbe
2022-04-01 20:18 ` [PATCH v4 31/33] arm64: dts: rockchip: add rk3328 crypto node Corentin Labbe
2022-04-01 20:18 ` [PATCH v4 32/33] arm64: dts: rockchip: rk3399: add " Corentin Labbe
2022-04-01 20:18 ` [PATCH v4 33/33] crypto: rockchip: Check for clocks numbers and their frequencies Corentin Labbe

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