This is a note to let you know that I've just added the patch titled
net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ethernet-ucc_geth-fix-mem_part_muram-mode.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Mar 22 14:40:23 CET 2018
From: Christophe Leroy <christophe.leroy@xxxxxx>
Date: Tue, 7 Feb 2017 10:05:09 +0100
Subject: net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
From: Christophe Leroy <christophe.leroy@xxxxxx>
[ Upstream commit 8b8642af15ed14b9a7a34d3401afbcc274533e13 ]
Since commit 5093bb965a163 ("powerpc/QE: switch to the cpm_muram
implementation"), muram area is not part of immrbar mapping anymore
so immrbar_virt_to_phys() is not usable anymore.
Fixes: 5093bb965a163 ("powerpc/QE: switch to the cpm_muram implementation")
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Acked-by: Li Yang <pku.leo@xxxxxxxxx>
Signed-off-by: Scott Wood <oss@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/freescale/ucc_geth.c | 8 +++-----
include/soc/fsl/qe/qe.h | 1 +
2 files changed, 4 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -2594,11 +2594,10 @@ static int ucc_geth_startup(struct ucc_g
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
- (u32) immrbar_virt_to_phys(ugeth->
- p_tx_bd_ring[i]));
+ (u32)qe_muram_dma(ugeth->p_tx_bd_ring[i]));
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
last_bd_completed_address,
- (u32) immrbar_virt_to_phys(endOfRing));
+ (u32)qe_muram_dma(endOfRing));
}
}
@@ -2844,8 +2843,7 @@ static int ucc_geth_startup(struct ucc_g
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
- (u32) immrbar_virt_to_phys(ugeth->
- p_rx_bd_ring[i]));
+ (u32)qe_muram_dma(ugeth->p_rx_bd_ring[i]));
}
/* rest of fields handled by QE */
}
--- a/include/soc/fsl/qe/qe.h
+++ b/include/soc/fsl/qe/qe.h
@@ -243,6 +243,7 @@ static inline int qe_alive_during_sleep(
#define qe_muram_free cpm_muram_free
#define qe_muram_addr cpm_muram_addr
#define qe_muram_offset cpm_muram_offset
+#define qe_muram_dma cpm_muram_dma
#define qe_setbits32(_addr, _v) iowrite32be(ioread32be(_addr) | (_v), (_addr))
#define qe_clrbits32(_addr, _v) iowrite32be(ioread32be(_addr) & ~(_v), (_addr))
Patches currently in stable-queue which might be from christophe.leroy@xxxxxx are
queue-4.9/net-ethernet-ucc_geth-fix-mem_part_muram-mode.patch