diff mbox

[v3,05/12] phy: qcom-ufs: Skip obtaining rx/tx_iface_clk for msm8996 based phy

Message ID 1477772534-14170-6-git-send-email-vivek.gautam@codeaurora.org (mailing list archive)
State Changes Requested, archived
Headers show

Commit Message

Vivek Gautam Oct. 29, 2016, 8:22 p.m. UTC
The tx_iface_clk and rx_iface_clk no longer exist with UFS Phy
present on msm8996. So skip obtaining these clocks using
compatible match.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
---

New patch in v3 of this cleanup series.
Comes in place of the following patch in v2 -
 phy: qcom-ufs: remove failure when rx/tx_iface_clk are absent

 drivers/phy/phy-qcom-ufs.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

subhashj@codeaurora.org Nov. 1, 2016, 6:42 p.m. UTC | #1
On 2016-10-29 13:22, Vivek Gautam wrote:
> The tx_iface_clk and rx_iface_clk no longer exist with UFS Phy
> present on msm8996. So skip obtaining these clocks using
> compatible match.
> 
> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
> ---
> 
> New patch in v3 of this cleanup series.
> Comes in place of the following patch in v2 -
>  phy: qcom-ufs: remove failure when rx/tx_iface_clk are absent
> 
>  drivers/phy/phy-qcom-ufs.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
> index a173b30..11c8cae 100644
> --- a/drivers/phy/phy-qcom-ufs.c
> +++ b/drivers/phy/phy-qcom-ufs.c
> @@ -184,6 +184,10 @@ int ufs_qcom_phy_clk_get(struct device *dev,
>  {
>  	int err;
> 
> +	if (of_device_is_compatible(phy_common->dev->of_node,
> +				"qcom,msm8996-ufs-phy-qmp-14nm"))

Vivek, This change looks good but you might need a minor change if we 
agree to change the compatible string name 
("qcom,msm8996-ufs-phy-qmp-14nm") as commented on patch #4.

> +		goto skip_txrx_clk;
> +
>  	err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
>  				   &phy_common->tx_iface_clk);
>  	if (err)
> @@ -199,6 +203,7 @@ int ufs_qcom_phy_clk_get(struct device *dev,
>  	if (err)
>  		goto out;
> 
> +skip_txrx_clk:
>  	/*
>  	 * "ref_clk_parent" is optional hence don't abort init if it's not
>  	 * found.
subhashj@codeaurora.org Nov. 4, 2016, 6:11 a.m. UTC | #2
On 2016-11-01 11:42, Subhash Jadavani wrote:
> On 2016-10-29 13:22, Vivek Gautam wrote:
>> The tx_iface_clk and rx_iface_clk no longer exist with UFS Phy
>> present on msm8996. So skip obtaining these clocks using
>> compatible match.
>> 
>> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
>> ---
>> 
>> New patch in v3 of this cleanup series.
>> Comes in place of the following patch in v2 -
>>  phy: qcom-ufs: remove failure when rx/tx_iface_clk are absent
>> 
>>  drivers/phy/phy-qcom-ufs.c | 5 +++++
>>  1 file changed, 5 insertions(+)
>> 
>> diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
>> index a173b30..11c8cae 100644
>> --- a/drivers/phy/phy-qcom-ufs.c
>> +++ b/drivers/phy/phy-qcom-ufs.c
>> @@ -184,6 +184,10 @@ int ufs_qcom_phy_clk_get(struct device *dev,
>>  {
>>  	int err;
>> 
>> +	if (of_device_is_compatible(phy_common->dev->of_node,
>> +				"qcom,msm8996-ufs-phy-qmp-14nm"))
> 
> Vivek, This change looks good but you might need a minor change if we
> agree to change the compatible string name
> ("qcom,msm8996-ufs-phy-qmp-14nm") as commented on patch #4.

As I am ok with patch #4 after Vivek's clarifications, I am ok with this 
patch as well.
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>

> 
>> +		goto skip_txrx_clk;
>> +
>>  	err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
>>  				   &phy_common->tx_iface_clk);
>>  	if (err)
>> @@ -199,6 +203,7 @@ int ufs_qcom_phy_clk_get(struct device *dev,
>>  	if (err)
>>  		goto out;
>> 
>> +skip_txrx_clk:
>>  	/*
>>  	 * "ref_clk_parent" is optional hence don't abort init if it's not
>>  	 * found.
diff mbox

Patch

diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index a173b30..11c8cae 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -184,6 +184,10 @@  int ufs_qcom_phy_clk_get(struct device *dev,
 {
 	int err;
 
+	if (of_device_is_compatible(phy_common->dev->of_node,
+				"qcom,msm8996-ufs-phy-qmp-14nm"))
+		goto skip_txrx_clk;
+
 	err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
 				   &phy_common->tx_iface_clk);
 	if (err)
@@ -199,6 +203,7 @@  int ufs_qcom_phy_clk_get(struct device *dev,
 	if (err)
 		goto out;
 
+skip_txrx_clk:
 	/*
 	 * "ref_clk_parent" is optional hence don't abort init if it's not
 	 * found.