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Date: Mon, 17 Jul 2017 16:26:43 +0300 From: <laurentiu.tudor@....com> To: <gregkh@...uxfoundation.org>, <stuyoder@...il.com> CC: <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>, <marc.zyngier@....com>, <agraf@...e.de>, <arnd@...db.de>, <ioana.ciornei@....com>, <ruxandra.radulescu@....com>, <bharat.bhushan@....com>, <catalin.horghidan@....com>, <leoyang.li@....com>, <roy.pledge@....com>, <linux-arm-kernel@...ts.infradead.org>, Laurentiu Tudor <laurentiu.tudor@....com> Subject: [PATCH 4/7] staging: fsl-mc: fix compilation with non-generic msi domain ops From: Laurentiu Tudor <laurentiu.tudor@....com> The bus driver relies on generic msi domain ops. Fix compilation for architectures that don't provide it (e.g. x86_64). Signed-off-by: Laurentiu Tudor <laurentiu.tudor@....com> --- drivers/staging/fsl-mc/bus/fsl-mc-msi.c | 4 ++++ drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c index ee6e3b7..18774ee 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c @@ -17,6 +17,7 @@ #include <linux/msi.h> #include "fsl-mc-private.h" +#ifdef GENERIC_MSI_DOMAIN_OPS /* * Generate a unique ID identifying the interrupt (only used within the MSI * irqdomain. Combine the icid with the interrupt index. @@ -38,6 +39,9 @@ static void fsl_mc_msi_set_desc(msi_alloc_info_t *arg, arg->hwirq = fsl_mc_domain_calc_hwirq(to_fsl_mc_device(desc->dev), desc); } +#else +#define fsl_mc_msi_set_desc NULL +#endif static void fsl_mc_msi_update_dom_ops(struct msi_domain_info *info) { diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c index e798ea4..cd73c58 100644 --- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c @@ -45,7 +45,9 @@ static int its_fsl_mc_msi_prepare(struct irq_domain *msi_domain, * NOTE: This device id corresponds to the IOMMU stream ID * associated with the DPRC object (ICID). */ +#ifdef GENERIC_MSI_DOMAIN_OPS info->scratchpad[0].ul = mc_bus_dev->icid; +#endif msi_info = msi_get_domain_info(msi_domain->parent); return msi_info->ops->msi_prepare(msi_domain->parent, dev, nvec, info); } -- 2.9.4
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