target/linux/layerscape/patches-5.4/701-net-0001-soc-fsl-qman-fixup-liodns-only-on-ppc-targets.patch

   1 From cc0d30fc5931e76e83f5cd1f5c91a9b97abf39b9 Mon Sep 17 00:00:00 2001
   2 From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
   3 Date: Tue, 6 Feb 2018 15:55:56 +0200
   4 Subject: [PATCH] soc/fsl/qman: fixup liodns only on ppc targets
   5
   6 ARM SoCs use SMMU so the liodn fixup done in the qman driver is no
   7 longer making sense and it also breaks the ICID settings inherited
   8 from u-boot. Do the fixups only for PPC targets.
   9
  10 Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
  11 ---
  12  drivers/soc/fsl/qbman/qman_ccsr.c | 2 ++
  13  1 file changed, 2 insertions(+)
  14
  15 --- a/drivers/soc/fsl/qbman/qman_ccsr.c
  16 +++ b/drivers/soc/fsl/qbman/qman_ccsr.c
  17 @@ -642,6 +642,7 @@ static int qman_init_ccsr(struct device
  18  #define LIO_CFG_LIODN_MASK 0x0fff0000
  19  void __qman_liodn_fixup(u16 channel)
  20  {
  21 +#ifdef CONFIG_PPC
  22         static int done;
  23         static u32 liodn_offset;
  24         u32 before, after;
  25 @@ -661,6 +662,7 @@ void __qman_liodn_fixup(u16 channel)
  26                 qm_ccsr_out(REG_REV3_QCSP_LIO_CFG(idx), after);
  27         else
  28                 qm_ccsr_out(REG_QCSP_LIO_CFG(idx), after);
  29 +#endif
  30  }
  31
  32  #define IO_CFG_SDEST_MASK 0x00ff0000