R0dn3yS/android_kernel_xiaomi_sm7250
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Merge "i3c: i3c-master-qcom-geni: Force the xfer mode as DMA mode"

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qctecmdr 2021-04-24 14:42:42 -07:00 committed by Gerrit - the friendly Code Review server
commit 46ce72b895
1 changed files with 13 additions and 5 deletions
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18
drivers/i3c/master/i3c-master-qcom-geni.c
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@ -782,8 +782,8 @@ static int _i3c_geni_execute_command
geni_setup_m_cmd(gi3c->se.base, xfer->m_cmd, xfer->m_param);
GENI_SE_DBG(gi3c->ipcl, false, gi3c->se.dev,
"I3C cmd:0x%x param:0x%x READ len:%d, m_cmd: 0x%x\n",
xfer->m_cmd, xfer->m_param, len,
"Read_mode:%d cmd:0x%x param:0x%x len:%d m_cmd:0x%x\n",
xfer->mode, xfer->m_cmd, xfer->m_param, len,
geni_read_reg(gi3c->se.base, SE_GENI_M_CMD0));
if (xfer->mode == SE_DMA) {
@ -794,6 +794,10 @@ static int _i3c_geni_execute_command
GENI_SE_ERR(gi3c->ipcl, true, gi3c->se.dev,
"DMA Err:%d, FIFO mode enabled\n", ret);
xfer->mode = FIFO_MODE;
GENI_SE_ERR(gi3c->ipcl, true, gi3c->se.dev,
"DMA Read Err:%d,Enabling FIFO mode\n",
ret);
WARN_ON(1);
geni_se_select_mode(gi3c->se.base, xfer->mode);
}
}
@ -802,8 +806,8 @@ static int _i3c_geni_execute_command
geni_setup_m_cmd(gi3c->se.base, xfer->m_cmd, xfer->m_param);
GENI_SE_DBG(gi3c->ipcl, false, gi3c->se.dev,
"I3C cmd:0x%x param:0x%x WRITE len:%d, m_cmd: 0x%x\n",
xfer->m_cmd, xfer->m_param, len,
"Write_mode:%d cmd:0x%x param:0x%x len:%d m_cmd:0x%x\n",
xfer->mode, xfer->m_cmd, xfer->m_param, len,
geni_read_reg(gi3c->se.base, SE_GENI_M_CMD0));
if (xfer->mode == SE_DMA) {
@ -814,6 +818,10 @@ static int _i3c_geni_execute_command
GENI_SE_ERR(gi3c->ipcl, true, gi3c->se.dev,
"DMA Err:%d, FIFO mode enabled\n", ret);
xfer->mode = FIFO_MODE;
GENI_SE_ERR(gi3c->ipcl, true, gi3c->se.dev,
"DMA Write Err:%d,Enabling FIFO mode\n",
ret);
WARN_ON(1);
geni_se_select_mode(gi3c->se.base, xfer->mode);
}
}
@ -1139,7 +1147,7 @@ static int geni_i3c_master_priv_xfers
for (i = 0; i < nxfers; i++) {
bool stall = (i < (nxfers - 1));
struct i3c_xfer_params xfer = { FIFO_MODE };
struct i3c_xfer_params xfer = { SE_DMA };
xfer.m_param = (stall ? STOP_STRETCH : 0);
xfer.m_param |= ((dev->info.dyn_addr & I3C_ADDR_MASK)