From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: kernel@martin.sperl.org To: Michael Turquette , Stephen Boyd , Stephen Warren , Lee Jones , Eric Anholt , linux-clk@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: Martin Sperl Subject: [PATCH 2/2] memory: bcm2835: enable driver early in the boot process Date: Fri, 20 May 2016 07:23:17 +0000 Message-Id: <1463728997-8241-3-git-send-email-kernel@martin.sperl.org> In-Reply-To: <1463728997-8241-1-git-send-email-kernel@martin.sperl.org> References: <1463728997-8241-1-git-send-email-kernel@martin.sperl.org> List-ID: From: Martin Sperl Enable the critical sdram-clocks early during the boot process, so that these clocks (and their PLLs) can not get disabled when a different driver disables its clocks again because it failed to probe propperly (maybe deferred). Signed-off-by: Martin Sperl --- drivers/memory/bcm2835-sdram.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/memory/bcm2835-sdram.c b/drivers/memory/bcm2835-sdram.c index 9d8cce2..7b6406d 100644 --- a/drivers/memory/bcm2835-sdram.c +++ b/drivers/memory/bcm2835-sdram.c @@ -431,6 +431,9 @@ static int bcm2835_sdram_probe(struct platform_device *pdev) /* setup debugfs */ bcm2835_sdram_debugfs(pdev); + /* note that we have registered sdram */ + dev_dbg(&pdev->dev, "registered sdram\n"); + return 0; } @@ -457,7 +460,12 @@ static struct platform_driver bcm2835_sdram_driver = { .of_match_table = bcm2835_sdram_of_match_table, }, }; -module_platform_driver(bcm2835_sdram_driver); + +static int __init __bcm2835_sdram_driver_init(void) +{ + return platform_driver_register(&bcm2835_sdram_driver); +} +core_initcall_sync(__bcm2835_sdram_driver_init); MODULE_AUTHOR("Martin Sperl"); MODULE_DESCRIPTION("sdram driver for bcm2835 chip"); -- 2.1.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: kernel@martin.sperl.org (kernel at martin.sperl.org) Date: Fri, 20 May 2016 07:23:17 +0000 Subject: [PATCH 2/2] memory: bcm2835: enable driver early in the boot process In-Reply-To: <1463728997-8241-1-git-send-email-kernel@martin.sperl.org> References: <1463728997-8241-1-git-send-email-kernel@martin.sperl.org> Message-ID: <1463728997-8241-3-git-send-email-kernel@martin.sperl.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Martin Sperl Enable the critical sdram-clocks early during the boot process, so that these clocks (and their PLLs) can not get disabled when a different driver disables its clocks again because it failed to probe propperly (maybe deferred). Signed-off-by: Martin Sperl --- drivers/memory/bcm2835-sdram.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/memory/bcm2835-sdram.c b/drivers/memory/bcm2835-sdram.c index 9d8cce2..7b6406d 100644 --- a/drivers/memory/bcm2835-sdram.c +++ b/drivers/memory/bcm2835-sdram.c @@ -431,6 +431,9 @@ static int bcm2835_sdram_probe(struct platform_device *pdev) /* setup debugfs */ bcm2835_sdram_debugfs(pdev); + /* note that we have registered sdram */ + dev_dbg(&pdev->dev, "registered sdram\n"); + return 0; } @@ -457,7 +460,12 @@ static struct platform_driver bcm2835_sdram_driver = { .of_match_table = bcm2835_sdram_of_match_table, }, }; -module_platform_driver(bcm2835_sdram_driver); + +static int __init __bcm2835_sdram_driver_init(void) +{ + return platform_driver_register(&bcm2835_sdram_driver); +} +core_initcall_sync(__bcm2835_sdram_driver_init); MODULE_AUTHOR("Martin Sperl"); MODULE_DESCRIPTION("sdram driver for bcm2835 chip"); -- 2.1.4