Thread (30 messages) read the whole thread 30 messages, 4 authors, 2018-10-03
STALE2857d

Revision v2 of 3 in this series.

Revisions (3)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[PATCH v2 01/22] soc/fsl/qman: fixup liodns only on ppc targets

From: laurentiu.tudor@nxp.com (laurentiu.tudor at nxp.com)
Date: 2018-09-26 13:26:24
Also in: linux-devicetree, lkml, netdev
Subsystem: freescale soc drivers, the rest · Maintainers: Christophe Leroy, Linus Torvalds

From: Laurentiu Tudor <laurentiu.tudor@nxp.com>

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(+)
diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c
index 79cba58387a5..619e22030460 100644
--- a/drivers/soc/fsl/qbman/qman_ccsr.c
+++ b/drivers/soc/fsl/qbman/qman_ccsr.c
@@ -597,6 +597,7 @@ static int qman_init_ccsr(struct device *dev)
 #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;
@@ -616,6 +617,7 @@ 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
-- 
2.17.1
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