Re: [PATCH v2 2/7] scsi: ufs: ufs-qcom: Setup host power mode during init

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Hi Mani,

On 11/8/2023 1:07 PM, Manivannan Sadhasivam wrote:
On Mon, Nov 06, 2023 at 08:46:08PM -0800, Can Guo wrote:
From: Can Guo <quic_cang@xxxxxxxxxxx>

Setup host power mode and its limitations during UFS host driver init to
avoid repetitive work during every power mode change.

Co-developed-by: Bao D. Nguyen <quic_nguyenb@xxxxxxxxxxx>
Signed-off-by: Bao D. Nguyen <quic_nguyenb@xxxxxxxxxxx>
Signed-off-by: Can Guo <quic_cang@xxxxxxxxxxx>
---
  drivers/ufs/host/ufs-qcom.c | 22 ++++++++++++++--------
  drivers/ufs/host/ufs-qcom.h |  1 +
  2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index aee66a3..cc0eb37 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -898,7 +898,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
  				struct ufs_pa_layer_attr *dev_req_params)
  {
  	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	struct ufs_host_params host_params;
+	struct ufs_host_params *host_params = &host->host_params;
  	int ret = 0;
if (!dev_req_params) {
@@ -908,13 +908,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
switch (status) {
  	case PRE_CHANGE:
-		ufshcd_init_host_param(&host_params);
-		host_params.hs_rate = UFS_QCOM_LIMIT_HS_RATE;

As Andrew spotted, this gets removed without explanation. So, I'd also suggest
doing it in a separate patch.

- Mani
Sure, will do

Thanks,

Can Guo.




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