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Commit 78226954 authored by Yan He's avatar Yan He
Browse files

msm: pcie: disable q2a flush logic 



Disable q2a flush logic for the incomplete transactions before a
core reset.

CRs-fixed: 679668
Change-Id: I0ec688e194f8768234b6fa087592950ee8c12b2f
Signed-off-by: default avatarYan He <yanhe@codeaurora.org>
parent 2049a6cf

arch/arm/mach-msm/pcie.c

+3 −0
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ 
#define PCIE20_PARF_CONFIG_BITS        0x50

#define PCIE20_PARF_DBI_BASE_ADDR      0x168

#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT   0x178

#define PCIE20_PARF_Q2A_FLUSH          0x1AC



#define PCIE20_ELBI_VERSION            0x00

#define PCIE20_ELBI_SYS_CTRL           0x04
@@ -1187,6 +1188,8 @@ int msm_pcie_enable(struct msm_pcie_dev_t *dev, u32 options) 


	writel_relaxed(0x3656, dev->parf + PCIE20_PARF_SYS_CTRL);



	writel_relaxed(0, dev->parf + PCIE20_PARF_Q2A_FLUSH);



	if (dev->use_msi) {

		PCIE_DBG(dev, "RC%d: enable WR halt.\n", dev->rc_idx);

		msm_pcie_write_mask(dev->parf +