ar71xx: make IRQ fixes target specific

Move the IRQ fix from generic to ar71xx specific.
Other targets like ath79 have specific pathes to delete this code.
This resulted in a build failure on ath79

Fixes: 00d48bcac08a ("ar71xx: Fix potentially missed IRQ handling during
dispatch")

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

diff --git a/target/linux/ar71xx/patches-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch b/target/linux/ar71xx/patches-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch
new file mode 100644 (file)
index 0000000..b1389bc
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch
@@ -0,0 +1,57 @@
+From 3fe7841bf5a582dc7fd198e5bf70162ea418a22a Mon Sep 17 00:00:00 2001
+From: Koen Vandeputte <koen.vandeputte@ncentric.com>
+Date: Wed, 11 Sep 2019 11:02:19 +0200
+Subject: [PATCH] MIPS: ath79: Fix potentially missed IRQ handling during
+ dispatch
+
+If both interrupts are set in the current implementation
+only the 1st will be handled and the 2nd will be skipped
+due to the "if else" condition.
+
+Fix this by using the same approach as done for QCA955x
+just below it.
+
+Fixes: fce5cc6e0ddc ("MIPS: ath79: add IRQ handling code for AR934X")
+Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
+CC: Felix Fietkau <nbd@nbd.name>
+CC: Gabor Juhos <juhosg@freemail.hu>
+CC: James Hogan <jhogan@kernel.org>
+CC: Paul Burton <paul.burton@mips.com>
+CC: Ralf Baechle <ralf@linux-mips.org>
+CC: stable@vger.kernel.org # v3.2+
+---
+ arch/mips/ath79/irq.c | 12 +++++++++---
+ 1 file changed, 9 insertions(+), 3 deletions(-)
+
+diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
+index 2dfff1f19004..a03a6bcaf6fd 100644
+--- a/arch/mips/ath79/irq.c
++++ b/arch/mips/ath79/irq.c
+@@ -32,15 +32,21 @@ static void ar934x_ip2_irq_dispatch(struct irq_desc *desc)
+       u32 status;
+ 
+       status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
++      status &= AR934X_PCIE_WMAC_INT_PCIE_ALL | AR934X_PCIE_WMAC_INT_WMAC_ALL;
++
++      if (status == 0) {
++              spurious_interrupt();
++              return;
++      }
+ 
+       if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
+               ath79_ddr_wb_flush(3);
+               generic_handle_irq(ATH79_IP2_IRQ(0));
+-      } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
++      }
++
++      if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
+               ath79_ddr_wb_flush(4);
+               generic_handle_irq(ATH79_IP2_IRQ(1));
+-      } else {
+-              spurious_interrupt();
+       }
+ }
+ 
+-- 
+2.17.1
+

diff --git a/target/linux/generic/pending-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch b/target/linux/generic/pending-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch
deleted file mode 100644 (file)
index b1389bc..0000000
--- a/target/linux/generic/pending-4.14/343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch
+++ /dev/null
@@ -1,57 +0,0 @@
-From 3fe7841bf5a582dc7fd198e5bf70162ea418a22a Mon Sep 17 00:00:00 2001
-From: Koen Vandeputte <koen.vandeputte@ncentric.com>
-Date: Wed, 11 Sep 2019 11:02:19 +0200
-Subject: [PATCH] MIPS: ath79: Fix potentially missed IRQ handling during
- dispatch
-
-If both interrupts are set in the current implementation
-only the 1st will be handled and the 2nd will be skipped
-due to the "if else" condition.
-
-Fix this by using the same approach as done for QCA955x
-just below it.
-
-Fixes: fce5cc6e0ddc ("MIPS: ath79: add IRQ handling code for AR934X")
-Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
-CC: Felix Fietkau <nbd@nbd.name>
-CC: Gabor Juhos <juhosg@freemail.hu>
-CC: James Hogan <jhogan@kernel.org>
-CC: Paul Burton <paul.burton@mips.com>
-CC: Ralf Baechle <ralf@linux-mips.org>
-CC: stable@vger.kernel.org # v3.2+
----
- arch/mips/ath79/irq.c | 12 +++++++++---
- 1 file changed, 9 insertions(+), 3 deletions(-)
-
-diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
-index 2dfff1f19004..a03a6bcaf6fd 100644
---- a/arch/mips/ath79/irq.c
-+++ b/arch/mips/ath79/irq.c
-@@ -32,15 +32,21 @@ static void ar934x_ip2_irq_dispatch(struct irq_desc *desc)
-       u32 status;
- 
-       status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS);
-+      status &= AR934X_PCIE_WMAC_INT_PCIE_ALL | AR934X_PCIE_WMAC_INT_WMAC_ALL;
-+
-+      if (status == 0) {
-+              spurious_interrupt();
-+              return;
-+      }
- 
-       if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) {
-               ath79_ddr_wb_flush(3);
-               generic_handle_irq(ATH79_IP2_IRQ(0));
--      } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
-+      }
-+
-+      if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) {
-               ath79_ddr_wb_flush(4);
-               generic_handle_irq(ATH79_IP2_IRQ(1));
--      } else {
--              spurious_interrupt();
-       }
- }
- 
--- 
-2.17.1
-