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| Started by | MaJun <majun258@huawei.com> |
|---|---|
| First post | 2015-12-22 04:00 +0100 |
| Last post | 2015-12-29 12:10 +0100 |
| Articles | 2 — 2 participants |
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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
| From | MaJun <majun258@huawei.com> |
|---|---|
| Date | 2015-12-22 04:00 +0100 |
| Subject | [PATCH v2] Irq/Platform-MSI:Increase the maximum MSIs the MSI framework can support. |
| Message-ID | <qIll8-6s9-15@gated-at.bofh.it> |
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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| From | tip-bot for MaJun <tipbot@zytor.com> |
|---|---|
| Date | 2015-12-29 12:10 +0100 |
| Subject | [tip:irq/core] irq/platform-MSI: Increase the maximum MSIs the MSI framework can support |
| Message-ID | <qL0kb-824-29@gated-at.bofh.it> |
| In reply to | #1296497 |
Commit-ID: aff5e06b0dda7704ff2fa45162cfc4dde316a6f1 Gitweb: http://git.kernel.org/tip/aff5e06b0dda7704ff2fa45162cfc4dde316a6f1 Author: MaJun <majun258@huawei.com> AuthorDate: Tue, 22 Dec 2015 10:47:22 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Tue, 29 Dec 2015 11:58:53 +0100 irq/platform-MSI: Increase the maximum MSIs the MSI framework can support 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 increase the maximum to 2048 devices. Signed-off-by: Ma Jun <majun258@huawei.com> Cc: <Catalin.Marinas@arm.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <Will.Deacon@arm.com> Cc: <mark.rutland@arm.com> Cc: <marc.zyngier@arm.com> Cc: <jason@lakedaemon.net> Cc: <lizefan@huawei.com> Cc: <huxinwei@huawei.com> Cc: <dingtianhong@huawei.com> Cc: <liguozhu@hisilicon.com> Cc: <guohanjun@huawei.com> Link: http://lkml.kernel.org/r/1450752442-9392-1-git-send-email-majun258@huawei.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- drivers/base/platform-msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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)) /* -- 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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