[PATCH v2 06/32] powerpc/xive: Drop unmask of MSIs at startup

Cédric Le Goater clg at kaod.org
Thu Jul 1 23:27:24 AEST 2021


That was a workaround in the XIVE domain because of the lack of MSI
domain. This is now handled.

Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
 arch/powerpc/sysdev/xive/common.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index 2c907a4a2b05..a03057bfccfd 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -626,16 +626,6 @@ static unsigned int xive_irq_startup(struct irq_data *d)
 	pr_devel("xive_irq_startup: irq %d [0x%x] data @%p\n",
 		 d->irq, hw_irq, d);
 
-#ifdef CONFIG_PCI_MSI
-	/*
-	 * The generic MSI code returns with the interrupt disabled on the
-	 * card, using the MSI mask bits. Firmware doesn't appear to unmask
-	 * at that level, so we do it here by hand.
-	 */
-	if (irq_data_get_msi_desc(d))
-		pci_msi_unmask_irq(d);
-#endif
-
 	/* Pick a target */
 	target = xive_pick_irq_target(d, irq_data_get_affinity_mask(d));
 	if (target == XIVE_INVALID_TARGET) {
-- 
2.31.1



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