Re: [PATCH v3] altera_ps2: Add devicetree support
From: Thomas Chou <hidden>
Date: 2011-02-12 13:22:33
Also in:
linux-input, lkml
On 02/12/2011 05:26 PM, Grant Likely wrote:
On Thu, Feb 03, 2011 at 11:05:04AM +0800, Thomas Chou wrote:quoted
Signed-off-by: Walter Goossens<redacted> Signed-off-by: Thomas Chou<redacted> --- v2 use const and add compat version. v3 change compatible vendor to ALTR. add dts binding doc. .../devicetree/bindings/serio/altera_ps2.txt | 4 ++++ drivers/input/serio/altera_ps2.c | 11 +++++++++-- 2 files changed, 13 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/serio/altera_ps2.txtdiff --git a/Documentation/devicetree/bindings/serio/altera_ps2.txt b/Documentation/devicetree/bindings/serio/altera_ps2.txt new file mode 100644 index 0000000..4d9eecc --- /dev/null +++ b/Documentation/devicetree/bindings/serio/altera_ps2.txt@@ -0,0 +1,4 @@ +Altera UP PS/2 controller + +Required properties: +- compatible : should be "ALTR,ps2-1.0".diff --git a/drivers/input/serio/altera_ps2.c b/drivers/input/serio/altera_ps2.c index 7998560..d94b4a3 100644 --- a/drivers/input/serio/altera_ps2.c +++ b/drivers/input/serio/altera_ps2.c@@ -19,6 +19,7 @@ #include<linux/platform_device.h> #include<linux/io.h> #include<linux/slab.h> +#include<linux/of.h> #define DRV_NAME "altera_ps2"@@ -173,6 +174,12 @@ static int __devexit altera_ps2_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id altera_ps2_match[] = { + { .compatible = "ALTR,ps2-1.0", }, + {}, +} +MODULE_DEVICE_TABLE(of, altera_ps2_match); +Should be: #ifdef CONFIG_OF static const struct of_device_id altera_ps2_match[] = { { .compatible = "ALTR,ps2-1.0", }, {}, } MODULE_DEVICE_TABLE(of, altera_ps2_match); #else /* CONFIG_OF */ #define altera_ps2_match NULL #endif /* CONFIG_OF */ Otherwise the driver will be advertising that it provides device tree support when CONFIG_OF is disabled.
Thanks. Will update all related drivers. - Thomas
Otherwise, looks good to me. Feel free to add my acked-by line. g.quoted
/* * Our device driver structure */@@ -182,6 +189,7 @@ static struct platform_driver altera_ps2_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .of_match_table = altera_ps2_match, }, };@@ -189,13 +197,12 @@ static int __init altera_ps2_init(void) { return platform_driver_register(&altera_ps2_driver); } +module_init(altera_ps2_init); static void __exit altera_ps2_exit(void) { platform_driver_unregister(&altera_ps2_driver); } - -module_init(altera_ps2_init); module_exit(altera_ps2_exit); MODULE_DESCRIPTION("Altera University Program PS2 controller driver"); --1.7.3.5