From: <Claudiu.Beznea@microchip.com> To: <sre@kernel.org>, <Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <Ludovic.Desroches@microchip.com> Cc: <linux-pm@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <Claudiu.Beznea@microchip.com> Subject: [PATCH 10/15] power: reset: at91-reset: use r4 as tmp argument Date: Tue, 21 Jan 2020 10:03:33 +0000 [thread overview] Message-ID: <1579601001-5711-11-git-send-email-claudiu.beznea@microchip.com> (raw) In-Reply-To: <1579601001-5711-1-git-send-email-claudiu.beznea@microchip.com> Use r4 as temporary register. On ARM r0-r3 should be used to hold function arguments. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/power/reset/at91-reset.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index dc48f6850796..3b1d566350f4 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -113,8 +113,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "beq 1f\n\t" /* Then, test that the RAM controller is enabled */ - "ldr r0, [%1]\n\t" - "cmp r0, #0\n\t" + "ldr r4, [%1]\n\t" + "cmp r4, #0\n\t" /* Align to cache lines */ ".balign 32\n\t" @@ -138,7 +138,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), "r" (reset->args) - : "r0"); + : "r4"); return NOTIFY_DONE; } -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: <Claudiu.Beznea@microchip.com> To: <sre@kernel.org>, <Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <Ludovic.Desroches@microchip.com> Cc: Claudiu.Beznea@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 10/15] power: reset: at91-reset: use r4 as tmp argument Date: Tue, 21 Jan 2020 10:03:33 +0000 [thread overview] Message-ID: <1579601001-5711-11-git-send-email-claudiu.beznea@microchip.com> (raw) In-Reply-To: <1579601001-5711-1-git-send-email-claudiu.beznea@microchip.com> Use r4 as temporary register. On ARM r0-r3 should be used to hold function arguments. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/power/reset/at91-reset.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index dc48f6850796..3b1d566350f4 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -113,8 +113,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "beq 1f\n\t" /* Then, test that the RAM controller is enabled */ - "ldr r0, [%1]\n\t" - "cmp r0, #0\n\t" + "ldr r4, [%1]\n\t" + "cmp r4, #0\n\t" /* Align to cache lines */ ".balign 32\n\t" @@ -138,7 +138,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), "r" (reset->args) - : "r0"); + : "r4"); return NOTIFY_DONE; } -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-01-21 10:04 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-21 10:03 [PATCH 00/15] rework at91-reset driver Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 01/15] power: reset: at91-reset: introduce struct at91_reset Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 03/15] power: reset: at91-reset: add sclk to " Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 02/15] power: reset: at91-reset: add ramc_base[] " Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 04/15] power: reset: at91-reset: add notifier block " Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 05/15] power: reset: at91-reset: convert reset in pointer " Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 08/15] power: reset: at91-reset: introduce struct at91_reset_data Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 06/15] power: reset: at91-reset: pass rstc base address to at91_reset_status() Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 07/15] power: reset: at91-reset: devm_kzalloc() for at91_reset data structure Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea [this message] 2020-01-21 10:03 ` [PATCH 10/15] power: reset: at91-reset: use r4 as tmp argument Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 09/15] power: reset: at91-reset: introduce args member in at91_reset_data Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 11/15] power: reset: at91-reset: introduce ramc_lpr to struct at91_reset Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 12/15] power: reset: at91-reset: make at91sam9g45_restart() generic Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 13/15] power: reset: at91-reset: keep only one reset function Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 14/15] power: reset: at91-reset: get rid of at91_reset_data Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-01-21 10:03 ` [PATCH 15/15] power: reset: at91-reset: handle nrst async for sam9x60 Claudiu.Beznea 2020-01-21 10:03 ` Claudiu.Beznea 2020-03-08 18:54 ` [PATCH 00/15] rework at91-reset driver Sebastian Reichel 2020-03-08 18:54 ` Sebastian Reichel
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