94 lines
3.1 KiB
Diff
94 lines
3.1 KiB
Diff
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From c924f1df705a301a0ffc01fce4c7712756c8b1d2 Mon Sep 17 00:00:00 2001
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From: Zengruan Ye <yezengruan@huawei.com>
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Date: Sat, 13 Jul 2019 19:09:09 +0800
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Subject: [PATCH] feature: aarch64: add the regular to get the correct irq
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class on hisi board
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First, get the full irq desc name, include that the name split by blank, just like
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(hisi_sas_v2_hw sata). We use the irq type to mark the begin of the name.
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Second, for hisi bord, we consider to match the IRQ_SCSI class (which the
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irqbalance service concerned, and the eth device match follow the
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open community rule) by keywords group hisi & sas or hisi & sata.
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Signed-off-by: wanghaibin <wanghaibin.wang@huawei.com>
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---
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procinterrupts.c | 33 ++++++++++++++++++++++++++++++++-
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1 file changed, 32 insertions(+), 1 deletion(-)
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diff --git a/procinterrupts.c b/procinterrupts.c
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index 854282f..32c5e53 100644
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--- a/procinterrupts.c
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+++ b/procinterrupts.c
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@@ -108,6 +108,8 @@ static void guess_arm_irq_hints(char *name, struct irq_info *info)
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/* Note: Last entry is a catchall */
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static struct irq_match matches[] = {
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{ "eth.*" ,{NULL} ,NULL, IRQ_TYPE_LEGACY, IRQ_GBETH },
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+ { "hisi\\w*? *sas" ,{NULL} ,NULL, IRQ_TYPE_LEGACY, IRQ_SCSI},
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+ { "hisi\\w*? *sata" ,{NULL} ,NULL, IRQ_TYPE_LEGACY, IRQ_SCSI},
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{ "[A-Z0-9]{4}[0-9a-f]{4}", {NULL} ,check_platform_device, IRQ_TYPE_LEGACY, IRQ_OTHER},
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{ "PNP[0-9a-f]{4}", {NULL} ,check_platform_device, IRQ_TYPE_LEGACY, IRQ_OTHER},
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{ ".*", {NULL}, NULL, IRQ_TYPE_LEGACY, IRQ_OTHER},
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@@ -155,6 +157,8 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
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int is_xen_dyn = 0;
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#ifdef AARCH64
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char *tmp = NULL;
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+ int irq_fullname_valid = 1;
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+ char irq_fullname[PATH_MAX] = {0};
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#endif
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irq_name = strtok_r(savedline, " ", &savedptr);
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@@ -166,6 +170,16 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
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if (strstr(irq_name, "xen-dyn") != NULL)
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is_xen_dyn = 1;
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last_token = p;
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+
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+#ifdef AARCH64
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+ /*
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+ * /proc/interrupts format defined, after of interrupt type
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+ * the reset string is mark the irq desc name.
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+ */
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+ if (strncmp(irq_name, "Level", strlen("Level")) == 0 ||
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+ strncmp(irq_name, "Edge", strlen("Edge")) == 0)
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+ break;
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+#endif
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}
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#ifdef AARCH64
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@@ -173,6 +187,17 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
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tmp = strchr(irq_name, '\n');
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if (tmp)
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*tmp = 0;
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+
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+ if (strlen(irq_name) + strlen(savedptr) + 1 < PATH_MAX) {
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+ strcat(irq_fullname, irq_name);
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+ strcat(irq_fullname, " ");
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+ strcat(irq_fullname, savedptr);
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+ tmp = strchr(irq_fullname, '\n');
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+ if (tmp)
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+ *tmp = 0;
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+ } else {
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+ irq_fullname_valid = 0;
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+ }
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#endif
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irq_mod = last_token;
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info->irq = irq;
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@@ -182,7 +207,13 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
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info->class = IRQ_VIRT_EVENT;
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} else {
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#ifdef AARCH64
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- guess_arm_irq_hints(irq_name, info);
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+ if (irq_fullname_valid) {
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+ irq_name = irq_fullname;
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+ guess_arm_irq_hints(irq_name, info);
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+ } else {
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+ info->type = IRQ_TYPE_LEGACY;
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+ info->class = IRQ_OTHER;
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+ }
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#else
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info->type = IRQ_TYPE_LEGACY;
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info->class = IRQ_OTHER;
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--
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2.23.0
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