From: Marc Kleine-Budde <mkl@pengutronix.de> To: Pavel Machek <pavel@denx.de> Cc: Thor Thayer <tthayer.linux@gmail.com>, Thor Thayer <tthayer@altera.com>, Dinh Nguyen <dinguyen@altera.com>, Steffen Trumtrar <s.trumtrar@pengutronix.de>, linux-arm-kernel@lists.infradead.org, linux-can@vger.kernel.org, socketcan@hartkopp.net, wg@grandegger.com Subject: Re: [PATCH 1/2] hwinit support for non-TI devices Date: Mon, 05 May 2014 15:00:05 +0200 [thread overview] Message-ID: <53678B55.1070709@pengutronix.de> (raw) In-Reply-To: <20140505125811.GC16649@amd.pavel.ucw.cz> On 05/05/2014 02:58 PM, Pavel Machek wrote: > On Mon 2014-05-05 14:21:33, Marc Kleine-Budde wrote: >> On 05/05/2014 02:08 PM, Pavel Machek wrote: >>> Non-TI chips (including socfpga) needs different raminit >>> sequence. Implement it. >>> >>> Tested-by: Thor Thayer <tthayer@altera.com> >>> Signed-off-by: Thor Thayer <tthayer@altera.com> >>> Signed-off-by: Pavel Machek <pavel@denx.de> >>> >>> @@ -88,7 +89,8 @@ static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable) >>> spin_lock(&raminit_lock); >>> >>> ctrl = readl(priv->raminit_ctrlreg); >>> - /* We clear the done and start bit first. The start bit is >>> + /* >>> + * We clear the done and start bit first. The start bit is >> >> Please don't reformat comments. > > Previous one is not correct coding style. I'd like to get it fixed. net/ and drivers/net use a different multiline commenting style. > > priv, bool enable) >>> spin_unlock(&raminit_lock); >>> } >>> >>> +static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable) >>> +{ >>> + u32 ctrl; >>> + >>> + spin_lock(&raminit_lock); >> >> Why do you need this spinlock? > > _ti() used spinlock, so I assume I need it, too. It's not a shared ressource you're working on. TI does. > >>> + ctrl = readl(priv->raminit_ctrlreg); >>> + ctrl &= ~DCAN_RAM_INIT_BIT; >>> + writel(ctrl, priv->raminit_ctrlreg); >> >> Why don't use use the reg directly? Have you read my previous >> review? > > Can you repost it? I don't think I seen it. Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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From: mkl@pengutronix.de (Marc Kleine-Budde) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] hwinit support for non-TI devices Date: Mon, 05 May 2014 15:00:05 +0200 [thread overview] Message-ID: <53678B55.1070709@pengutronix.de> (raw) In-Reply-To: <20140505125811.GC16649@amd.pavel.ucw.cz> On 05/05/2014 02:58 PM, Pavel Machek wrote: > On Mon 2014-05-05 14:21:33, Marc Kleine-Budde wrote: >> On 05/05/2014 02:08 PM, Pavel Machek wrote: >>> Non-TI chips (including socfpga) needs different raminit >>> sequence. Implement it. >>> >>> Tested-by: Thor Thayer <tthayer@altera.com> >>> Signed-off-by: Thor Thayer <tthayer@altera.com> >>> Signed-off-by: Pavel Machek <pavel@denx.de> >>> >>> @@ -88,7 +89,8 @@ static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable) >>> spin_lock(&raminit_lock); >>> >>> ctrl = readl(priv->raminit_ctrlreg); >>> - /* We clear the done and start bit first. The start bit is >>> + /* >>> + * We clear the done and start bit first. The start bit is >> >> Please don't reformat comments. > > Previous one is not correct coding style. I'd like to get it fixed. net/ and drivers/net use a different multiline commenting style. > > priv, bool enable) >>> spin_unlock(&raminit_lock); >>> } >>> >>> +static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable) >>> +{ >>> + u32 ctrl; >>> + >>> + spin_lock(&raminit_lock); >> >> Why do you need this spinlock? > > _ti() used spinlock, so I assume I need it, too. It's not a shared ressource you're working on. TI does. > >>> + ctrl = readl(priv->raminit_ctrlreg); >>> + ctrl &= ~DCAN_RAM_INIT_BIT; >>> + writel(ctrl, priv->raminit_ctrlreg); >> >> Why don't use use the reg directly? Have you read my previous >> review? > > Can you repost it? I don't think I seen it. Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
next prev parent reply other threads:[~2014-05-05 13:00 UTC|newest] Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-04-02 7:11 [PATCH v2 1/6] ARM: socfpga: dts: fix pdma interrupt Steffen Trumtrar 2014-04-02 7:11 ` [PATCH v2 2/6] ARM: socfpga: dts: add remaining interrupts for pdma Steffen Trumtrar 2014-04-02 7:11 ` [PATCH v2 3/6] ARM: socfpga: dts: add i2c busses Steffen Trumtrar 2014-04-02 7:11 ` [PATCH v2 4/6] ARM: socfpga: dts: add can0+1 Steffen Trumtrar 2014-04-04 10:28 ` Pavel Machek 2014-04-25 19:53 ` can problems on socfpga [was Re: [PATCH v2 4/6] ARM: socfpga: dts: add can0+1] Pavel Machek 2014-04-25 19:53 ` Pavel Machek 2014-04-25 20:24 ` Dinh Nguyen 2014-04-25 20:24 ` Dinh Nguyen 2014-04-25 21:31 ` Thor Thayer 2014-04-25 21:31 ` Thor Thayer 2014-04-26 8:57 ` Pavel Machek 2014-04-26 8:57 ` Pavel Machek 2014-04-26 9:16 ` Pavel Machek 2014-04-26 9:16 ` Pavel Machek 2014-04-26 9:36 ` Pavel Machek 2014-04-26 9:36 ` Pavel Machek 2014-04-26 20:31 ` Pavel Machek 2014-04-26 20:31 ` Pavel Machek 2014-04-26 20:51 ` Oliver Hartkopp 2014-04-26 20:51 ` Oliver Hartkopp 2014-04-26 22:37 ` Marc Kleine-Budde 2014-04-26 22:37 ` Marc Kleine-Budde 2014-04-27 12:25 ` [patch] Fix CAN on socfpga, for net/master Pavel Machek 2014-04-27 12:25 ` Pavel Machek 2014-04-28 20:20 ` Thor Thayer 2014-04-28 20:20 ` Thor Thayer 2014-04-28 21:15 ` Pavel Machek 2014-04-28 21:15 ` Pavel Machek 2014-04-28 23:37 ` T Thayer 2014-04-28 23:37 ` T Thayer [not found] ` <CAF03EBd19PC5RAsLR6-dMPF2x3XRf9X4bFPgX2kRdCYWUQBYcA@mail.gmail.com> 2014-04-30 21:53 ` Pavel Machek 2014-04-30 21:53 ` Pavel Machek 2014-05-01 13:15 ` Thor Thayer 2014-05-01 13:15 ` Thor Thayer 2014-05-02 8:48 ` [PATCHv2] " Pavel Machek 2014-05-02 8:48 ` Pavel Machek 2014-05-02 12:27 ` Marc Kleine-Budde 2014-05-02 12:27 ` Marc Kleine-Budde 2014-05-05 12:07 ` Pavel Machek 2014-05-05 12:07 ` Pavel Machek 2014-05-13 12:07 ` Pavel Machek 2014-05-13 12:07 ` Pavel Machek 2014-05-05 12:08 ` [PATCH 2/2] Add 32-bit accesses Pavel Machek 2014-05-05 12:08 ` Pavel Machek 2014-05-05 12:40 ` Marc Kleine-Budde 2014-05-05 12:40 ` Marc Kleine-Budde 2014-05-06 13:57 ` [PATCHv3] C_CAN: " Pavel Machek 2014-05-06 13:57 ` Pavel Machek 2014-05-12 15:47 ` Marc Kleine-Budde 2014-05-12 15:47 ` Marc Kleine-Budde 2014-05-13 11:29 ` Pavel Machek 2014-05-13 11:29 ` Pavel Machek 2014-05-13 13:09 ` [PATCHv3] C_CAN: hwinit support for non-TI devices Pavel Machek 2014-05-13 13:09 ` Pavel Machek 2014-05-13 13:36 ` Marc Kleine-Budde 2014-05-13 13:36 ` Marc Kleine-Budde 2014-05-13 15:08 ` Pavel Machek 2014-05-13 15:08 ` Pavel Machek 2014-05-13 15:18 ` Marc Kleine-Budde 2014-05-13 15:18 ` Marc Kleine-Budde 2014-05-05 12:08 ` [PATCH 1/2] " Pavel Machek 2014-05-05 12:08 ` Pavel Machek 2014-05-05 12:21 ` Marc Kleine-Budde 2014-05-05 12:21 ` Marc Kleine-Budde 2014-05-05 12:22 ` Marc Kleine-Budde 2014-05-05 12:22 ` Marc Kleine-Budde 2014-05-05 12:58 ` Pavel Machek 2014-05-05 12:58 ` Pavel Machek 2014-05-05 13:00 ` Marc Kleine-Budde [this message] 2014-05-05 13:00 ` Marc Kleine-Budde 2014-05-05 13:00 ` Pavel Machek 2014-05-05 13:00 ` Pavel Machek 2014-04-02 7:11 ` [PATCH v2 5/6] ARM: socfpga: dts: add support for EBV SOCrates Steffen Trumtrar 2014-04-04 10:28 ` Pavel Machek 2014-04-02 7:11 ` [PATCH v2 6/6] ARM: socfpga: dts: add rtc on i2c0 to socrates Steffen Trumtrar 2014-04-02 17:33 ` [PATCH v2 1/6] ARM: socfpga: dts: fix pdma interrupt Dinh Nguyen
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