Re: [PATCH V2] Intel Lewisburg device IDs for SMBus

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Hi Jean,

On 11/05/2015 12:45 AM, Jean Delvare wrote:
Hi Alexandra,

On Wed,  4 Nov 2015 11:09:16 -0800, Alexandra Yates wrote:
Adding Intel codename Lewisburg platform device IDs for SMBus.

Signed-off-by: Alexandra Yates <alexandra.yates@xxxxxxxxxxxxxxx>
---
  Documentation/i2c/busses/i2c-i801 | 1 +
  drivers/i2c/busses/Kconfig        | 1 +
  drivers/i2c/busses/i2c-i801.c     | 6 ++++++
  3 files changed, 8 insertions(+)

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 6a4b1af..1bba38d 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -32,6 +32,7 @@ Supported adapters:
    * Intel Sunrise Point-LP (PCH)
    * Intel DNV (SOC)
    * Intel Broxton (SOC)
+  * Intel Lewisburg (PCH)
     Datasheets: Publicly available at the Intel website

  On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index e24c2b6..7b0aa82 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -126,6 +126,7 @@ config I2C_I801
  	    Sunrise Point-LP (PCH)
  	    DNV (SOC)
  	    Broxton (SOC)
+	    Lewisburg (PCH)

  	  This driver can also be built as a module.  If so, the module
  	  will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index c306751..76fcef4 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -62,6 +62,8 @@
   * Sunrise Point-LP (PCH)	0x9d23	32	hard	yes	yes	yes
   * DNV (SOC)			0x19df	32	hard	yes	yes	yes
   * Broxton (SOC)		0x5ad4	32	hard	yes	yes	yes
+ * Lewisburg (PCH)		0xA1A3	32	hard	yes	yes	yes
+ * Lewisburg Supersku (PCH)	0xA223	32	hard	yes	yes	yes

It's a bit unfortunate that you used upper-case letters for the
hexadecimal numbers when all other entries used lower-case letters.

   *
   * Features supported by this driver:
   * Software PEC				no
@@ -181,6 +183,8 @@
  				 STATUS_ERROR_FLAGS)

  /* Older devices have their ID defined in <linux/pci_ids.h> */
+#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS		0xA1A3
+#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS	0xA223

Same here. Plus, why are you adding the IDs at the top of the list here
while you added them at the bottom of the first list...

  #define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS		0x0f12
  #define PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS		0x2292
  #define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS		0x1c22
@@ -864,6 +868,8 @@ static const struct pci_device_id i801_ids[] = {
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS) },
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS) },
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS) },
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS) },
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS) },
  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },

... and now in the middle of the last list? I would appreciate more
consistency.

These are all details of course, overall the changes look good, so you
can add:

Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>


Thank you for your review. I sent the V3 of this patch with the changes you suggested.

--
Thank you,
<Alexandra>
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