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Message-Id: <4b0f18351beba1c2a240dfce0f4347ba3cad50ea.1432547381.git.richardcochran@gmail.com> Date: Mon, 25 May 2015 11:55:43 +0200 From: Richard Cochran <richardcochran@...il.com> To: <netdev@...r.kernel.org> Cc: David Miller <davem@...emloft.net>, Christian Riesch <christian.riesch@...cron.at>, Stefan Sorensen <stefan.sorensen@...ctralink.com> Subject: [PATCH net 1/3] net: dp83640: fix broken calibration routine. Currently, the calibration function that corrects the initial offsets among multiple devices only works the first time. If the function is called more than once, the calibration fails and bogus offsets will be programmed into the devices. In a well hidden spot, the device documentation tells that trigger indexes 0 and 1 are special in allowing the TRIG_IF_LATE flag to actually work. This patch fixes the issue by using one of the special triggers during the recalibration method. Signed-off-by: Richard Cochran <richardcochran@...il.com> --- drivers/net/phy/dp83640.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 496e02f..7a068d9 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -47,7 +47,7 @@ #define PSF_TX 0x1000 #define EXT_EVENT 1 #define CAL_EVENT 7 -#define CAL_TRIGGER 7 +#define CAL_TRIGGER 1 #define DP83640_N_PINS 12 #define MII_DP83640_MICR 0x11 -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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