diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7188-staging-fsl-mc-properly-set-hwirq-in-msi-set_desc.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/7188-staging-fsl-mc-properly-set-hwirq-in-msi-set_desc.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/layerscape/patches-4.4/7188-staging-fsl-mc-properly-set-hwirq-in-msi-set_desc.patch b/target/linux/layerscape/patches-4.4/7188-staging-fsl-mc-properly-set-hwirq-in-msi-set_desc.patch deleted file mode 100644 index 34aadad782..0000000000 --- a/target/linux/layerscape/patches-4.4/7188-staging-fsl-mc-properly-set-hwirq-in-msi-set_desc.patch +++ /dev/null @@ -1,48 +0,0 @@ -From f5f9462cb947922817225b69240740e637de0149 Mon Sep 17 00:00:00 2001 -From: Stuart Yoder <stuart.yoder@nxp.com> -Date: Wed, 22 Jun 2016 16:40:51 -0500 -Subject: [PATCH 188/226] staging: fsl-mc: properly set hwirq in msi set_desc - -For an MSI domain the hwirq is an arbitrary but unique -id to identify an interrupt. Previously the hwirq was set to -the MSI index of the interrupt, but that only works if there is -one DPRC. Additional DPRCs require an expanded namespace. Use -both the ICID (which is unique per DPRC) and the MSI index to -compose a hwirq value. - -Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/staging/fsl-mc/bus/mc-msi.c | 17 ++++++++++++++++- - 1 file changed, 16 insertions(+), 1 deletion(-) - ---- a/drivers/staging/fsl-mc/bus/mc-msi.c -+++ b/drivers/staging/fsl-mc/bus/mc-msi.c -@@ -20,11 +20,26 @@ - #include "../include/mc-sys.h" - #include "dprc-cmd.h" - -+/* -+ * Generate a unique ID identifying the interrupt (only used within the MSI -+ * irqdomain. Combine the icid with the interrupt index. -+ */ -+static irq_hw_number_t fsl_mc_domain_calc_hwirq(struct fsl_mc_device *dev, -+ struct msi_desc *desc) -+{ -+ /* -+ * Make the base hwirq value for ICID*10000 so it is readable -+ * as a decimal value in /proc/interrupts. -+ */ -+ return (irq_hw_number_t)(desc->fsl_mc.msi_index + (dev->icid * 10000)); -+} -+ - static void fsl_mc_msi_set_desc(msi_alloc_info_t *arg, - struct msi_desc *desc) - { - arg->desc = desc; -- arg->hwirq = (irq_hw_number_t)desc->fsl_mc.msi_index; -+ arg->hwirq = fsl_mc_domain_calc_hwirq(to_fsl_mc_device(desc->dev), -+ desc); - } - - static void fsl_mc_msi_update_dom_ops(struct msi_domain_info *info) |