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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch b/target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch
new file mode 100644
index 0000000000..0ac4bee2b1
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch
@@ -0,0 +1,32 @@
+From cc0d30fc5931e76e83f5cd1f5c91a9b97abf39b9 Mon Sep 17 00:00:00 2001
+From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+Date: Tue, 6 Feb 2018 15:55:56 +0200
+Subject: [PATCH] soc/fsl/qman: fixup liodns only on ppc targets
+
+ARM SoCs use SMMU so the liodn fixup done in the qman driver is no
+longer making sense and it also breaks the ICID settings inherited
+from u-boot. Do the fixups only for PPC targets.
+
+Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+---
+ drivers/soc/fsl/qbman/qman_ccsr.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/soc/fsl/qbman/qman_ccsr.c
++++ b/drivers/soc/fsl/qbman/qman_ccsr.c
+@@ -642,6 +642,7 @@ static int qman_init_ccsr(struct device
+ #define LIO_CFG_LIODN_MASK 0x0fff0000
+ void __qman_liodn_fixup(u16 channel)
+ {
++#ifdef CONFIG_PPC
+ static int done;
+ static u32 liodn_offset;
+ u32 before, after;
+@@ -661,6 +662,7 @@ void __qman_liodn_fixup(u16 channel)
+ qm_ccsr_out(REG_REV3_QCSP_LIO_CFG(idx), after);
+ else
+ qm_ccsr_out(REG_QCSP_LIO_CFG(idx), after);
++#endif
+ }
+
+ #define IO_CFG_SDEST_MASK 0x00ff0000