On Wednesday 10 July 2013 04:57 PM, Felipe Balbi wrote:
> On Wed, Jul 10, 2013 at 04:29:22PM +0530, Kishon Vijay Abraham I wrote:
>> commit 09fc7d (usb: musb: fix incorrect usage of resource pointer)
>> assumes musb core will always have only 2 resources. But for OMAP
>> platforms there can be 3 resources (2 irq resource and 1 iomem
>> resource). Fixed it here.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>> ---
>> Changes from v1:
>> *) Removed redundant initialization of *i*
>>
>> drivers/usb/musb/omap2430.c | 18 ++++++++----------
>> 1 file changed, 8 insertions(+), 10 deletions(-)
>>
>> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
>> index 5b6113a..5bbef78 100644
>> --- a/drivers/usb/musb/omap2430.c
>> +++ b/drivers/usb/musb/omap2430.c
>> @@ -481,7 +481,7 @@ static u64 omap2430_dmamask = DMA_BIT_MASK(32);
>>
>> static int omap2430_probe(struct platform_device *pdev)
>> {
>> - struct resource musb_resources[2];
>> + struct resource musb_resources[3];
>> struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
>> struct omap_musb_board_data *data;
>> struct platform_device *musb;
>> @@ -489,6 +489,7 @@ static int omap2430_probe(struct platform_device *pdev)
>> struct device_node *np = pdev->dev.of_node;
>> struct musb_hdrc_config *config;
>> int ret = -ENOMEM;
>> + int i;
>>
>> glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
>> if (!glue) {
>> @@ -571,15 +572,12 @@ static int omap2430_probe(struct platform_device *pdev)
>> memset(musb_resources, 0x00, sizeof(*musb_resources) *
>> ARRAY_SIZE(musb_resources));
>>
>> - musb_resources[0].name = pdev->resource[0].name;
>> - musb_resources[0].start = pdev->resource[0].start;
>> - musb_resources[0].end = pdev->resource[0].end;
>> - musb_resources[0].flags = pdev->resource[0].flags;
>> -
>> - musb_resources[1].name = pdev->resource[1].name;
>> - musb_resources[1].start = pdev->resource[1].start;
>> - musb_resources[1].end = pdev->resource[1].end;
>> - musb_resources[1].flags = pdev->resource[1].flags;
>> + for (i = 0; i < ARRAY_SIZE(musb_resources); i++) {
>
> then this is not enough, what if one device using omap2430.c has 2
> resources and the other has 3 ? and what if a new one has 4 ?
>
> How about using pdev->num_resources to dynamically allocate
> musb_resources array and using the same thing iterate here ?
Yeah. This looks better.
Thanks
Kishon
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