linux-kernel - Re: [PATCH 1/4] pcie: qcom: Fix the macro PARF_SLV_ADDR_SPACE_SIZE_2_3

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Date:   Fri, 30 Jun 2023 10:54:34 +0530
From:   Sricharan Ramabadhran <quic_srichara@...cinc.com>
To:     Manivannan Sadhasivam <mani@...nel.org>
CC:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <sboyd@...nel.org>, <mturquette@...libre.com>,
        <lpieralisi@...nel.org>, <bhelgaas@...gle.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 1/4] pcie: qcom: Fix the macro
 PARF_SLV_ADDR_SPACE_SIZE_2_3_3



On 6/24/2023 12:02 PM, Manivannan Sadhasivam wrote:
> On Fri, Jun 23, 2023 at 03:04:42PM +0530, Sricharan Ramabadhran wrote:
>> PARF_SLV_ADDR_SPACE_SIZE_2_3_3 macro used for IPQ8074
>> pcie slave addr size was initially set to 0x358, but
>> was wrongly changed to 0x168 as a part of
>> 'PCI: qcom: Sort and group registers and bitfield definitions'
>> Fixing it back to right value here.
>>
>> Without this pcie bring up on IPQ8074 is broken now.
>>
> 
> Subject prefix should be: "PCI: qcom: "
> 
>> Fixes: 769e49d87b15 ("PCI: qcom: Sort and group registers and bitfield definitions")
> 
> Fixes tag is referring to a wrong commit. Correct one is:
> 39171b33f652 ("PCI: qcom: Remove PCIE20_ prefix from register definitions")
> 

  ok.

>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>> ---
>>   drivers/pci/controller/dwc/pcie-qcom.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
>> index 4ab30892f6ef..59823beed13f 100644
>> --- a/drivers/pci/controller/dwc/pcie-qcom.c
>> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
>> @@ -43,7 +43,7 @@
>>   #define PARF_PHY_REFCLK				0x4c
>>   #define PARF_CONFIG_BITS			0x50
>>   #define PARF_DBI_BASE_ADDR			0x168
>> -#define PARF_SLV_ADDR_SPACE_SIZE_2_3_3		0x16c /* Register offset specific to IP ver 2.3.3 */
>> +#define PARF_SLV_ADDR_SPACE_SIZE_2_3_3		0x358 /* Register offset specific to IP ver 2.3.3 */
> 
> You should just remove PARF_SLV_ADDR_SPACE_SIZE_2_3_3 and use
> PARF_SLV_ADDR_SPACE_SIZE which already has the value of 0x358.
> 

  ok

Regards,
  Sricharan