[U-Boot] [PATCH 01/15] pci: Add a constant for an invalid interrupt
Simon Glass
sjg at chromium.org
Mon Aug 3 01:37:53 CEST 2015
On 28 July 2015 at 01:46, Bin Meng <bmeng.cn at gmail.com> wrote:
> On Tue, Jul 28, 2015 at 5:47 AM, Simon Glass <sjg at chromium.org> wrote:
>> Rather than using 0xff in the code, add a constant.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>> drivers/pci/pci.c | 3 ++-
>> include/pci.h | 2 ++
>> 2 files changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
>> index 157491c..9dd245c 100644
>> --- a/drivers/pci/pci.c
>> +++ b/drivers/pci/pci.c
>> @@ -269,7 +269,8 @@ int pci_hose_config_device(struct pci_controller *hose,
>> /* Disable interrupt line, if device says it wants to use interrupts */
>> pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &pin);
>> if (pin != 0) {
>> - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 0xff);
>> + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE,
>> + PCI_INTERRUPT_LINE_DISABLE);
>> }
>>
>> pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &old_command);
>> diff --git a/include/pci.h b/include/pci.h
>> index 94bca97..26cd80b 100644
>> --- a/include/pci.h
>> +++ b/include/pci.h
>> @@ -228,6 +228,8 @@
>> #define PCI_MIN_GNT 0x3e /* 8 bits */
>> #define PCI_MAX_LAT 0x3f /* 8 bits */
>>
>> +#define PCI_INTERRUPT_LINE_DISABLE 0xff
>> +
>> /* Header type 1 (PCI-to-PCI bridges) */
>> #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
>> #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
>> --
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Applied to u-boot-x86.
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