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ram: rk3399: Clear PI_175 interrupts in data training
Clear the PI_175 interrupts before processing actual data training in all relevant calls. This would help to clear interrupt from previous training. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: YouMin Chen <cym@rock-chips.com> Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
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@ -627,6 +627,9 @@ static int data_training_ca(const struct chan_info *chan, u32 channel,
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u32 obs_0, obs_1, obs_2, obs_err = 0;
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u32 obs_0, obs_1, obs_2, obs_err = 0;
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u32 rank = params->ch[channel].cap_info.rank;
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u32 rank = params->ch[channel].cap_info.rank;
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/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
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writel(0x00003f7c, (&denali_pi[175]));
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for (i = 0; i < rank; i++) {
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for (i = 0; i < rank; i++) {
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select_per_cs_training_index(chan, i);
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select_per_cs_training_index(chan, i);
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@ -681,6 +684,9 @@ static int data_training_wl(const struct chan_info *chan, u32 channel,
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u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
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u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
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u32 rank = params->ch[channel].cap_info.rank;
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u32 rank = params->ch[channel].cap_info.rank;
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/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
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writel(0x00003f7c, (&denali_pi[175]));
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for (i = 0; i < rank; i++) {
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for (i = 0; i < rank; i++) {
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select_per_cs_training_index(chan, i);
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select_per_cs_training_index(chan, i);
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@ -740,6 +746,9 @@ static int data_training_rg(const struct chan_info *chan, u32 channel,
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u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
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u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
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u32 rank = params->ch[channel].cap_info.rank;
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u32 rank = params->ch[channel].cap_info.rank;
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/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
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writel(0x00003f7c, (&denali_pi[175]));
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for (i = 0; i < rank; i++) {
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for (i = 0; i < rank; i++) {
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select_per_cs_training_index(chan, i);
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select_per_cs_training_index(chan, i);
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@ -799,6 +808,9 @@ static int data_training_rl(const struct chan_info *chan, u32 channel,
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u32 i, tmp;
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u32 i, tmp;
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u32 rank = params->ch[channel].cap_info.rank;
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u32 rank = params->ch[channel].cap_info.rank;
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/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
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writel(0x00003f7c, (&denali_pi[175]));
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for (i = 0; i < rank; i++) {
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for (i = 0; i < rank; i++) {
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select_per_cs_training_index(chan, i);
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select_per_cs_training_index(chan, i);
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@ -844,6 +856,9 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel,
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u32 i, tmp;
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u32 i, tmp;
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u32 rank = params->ch[channel].cap_info.rank;
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u32 rank = params->ch[channel].cap_info.rank;
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/* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
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writel(0x00003f7c, (&denali_pi[175]));
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for (i = 0; i < rank; i++) {
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for (i = 0; i < rank; i++) {
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select_per_cs_training_index(chan, i);
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select_per_cs_training_index(chan, i);
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