Re: [PATCH v1 1/2] i2c: designware-pci: Add support for Fast Mode Plus and High Speed Mode

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On 11/29/21 6:56 PM, Wolfram Sang wrote:
On Tue, Nov 09, 2021 at 04:05:51PM +0530, lakshmi.sowjanya.d@xxxxxxxxx wrote:
From: Lakshmi Sowjanya D <lakshmi.sowjanya.d@xxxxxxxxx>

Add support to configure HCNT, LCNT values for Fast Mode Plus and High
Speed Mode.

Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@xxxxxxxxx>

Applied to for-next, thanks!

+	u32 fp_lcnt;
+	u32 hs_lcnt;
  	u32 sda_hold;

Short question unrelated to this patch. Why are all these u32...

  		dev->ss_hcnt = cfg->ss_hcnt;
  		dev->fs_hcnt = cfg->fs_hcnt;

... and the ones in dev are u16? Wouldn't it be easier if they all had
the same type?

True, only sda_hold(_time) is u32 and other timing parameters are u16.

Lakshmi: Would you like to send a patch fixing this and get more contributions to the driver :-)

Originally this discrepancy was introduced 2014 by the commit 8efd1e9ee3bd ("i2c: designware-pci: set ideal HCNT, LCNT and SDA hold time value").

Jarkko



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