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Groups > linux.kernel > #1296497
| From | MaJun <majun258@huawei.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2] Irq/Platform-MSI:Increase the maximum MSIs the MSI framework can support. |
| Date | 2015-12-22 04:00 +0100 |
| Message-ID | <qIll8-6s9-15@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
From: Ma Jun <majun258@huawei.com> The current MSI framework can only support 256 platform MSIs. But on Hisilicon platform, some network related devices has about 500 wired interrupts. To support these devices and align with MSI-X, this value is changed to 2048. Signed-off-by: Ma Jun <majun258@huawei.com> --- drivers/base/platform-msi.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index a203896..47c4338 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -24,7 +24,7 @@ #include <linux/msi.h> #include <linux/slab.h> -#define DEV_ID_SHIFT 24 +#define DEV_ID_SHIFT 21 #define MAX_DEV_MSIS (1 << (32 - DEV_ID_SHIFT)) /* -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2] Irq/Platform-MSI:Increase the maximum MSIs the MSI framework can support. MaJun <majun258@huawei.com> - 2015-12-22 04:00 +0100 [tip:irq/core] irq/platform-MSI: Increase the maximum MSIs the MSI framework can support tip-bot for MaJun <tipbot@zytor.com> - 2015-12-29 12:10 +0100
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