* [PATCH] i2c: Fix Kontron PLD prescaler calculation
@ 2013-07-26 12:04 Michael Brunner
2013-08-02 3:48 ` Guenter Roeck
2013-08-05 8:35 ` Wolfram Sang
0 siblings, 2 replies; 3+ messages in thread
From: Michael Brunner @ 2013-07-26 12:04 UTC (permalink / raw)
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA
Cc: Kevin Strasser, Kevin Strasser, Darren Hart, Samuel Ortiz,
Guenter Roeck, Michael Brunner, Chris Healy, Dirk Hohndel,
Wolfram Sang, linux-i2c-u79uwXL29TY76Z2rM5mHXA
Add some necessary braces that have been removed during driver cleanup.
This fixes the I2C prescaler calculation.
Signed-off-by: Michael Brunner <michael.brunner-2UyDCMiLNfhBDgjK7y7TUQ@public.gmane.org>
---
drivers/i2c/busses/i2c-kempld.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c
index ccec916..af8f65f 100644
--- a/drivers/i2c/busses/i2c-kempld.c
+++ b/drivers/i2c/busses/i2c-kempld.c
@@ -246,9 +246,9 @@ static void kempld_i2c_device_init(struct kempld_i2c_data *i2c)
bus_frequency = KEMPLD_I2C_FREQ_MAX;
if (pld->info.spec_major == 1)
- prescale = pld->pld_clock / bus_frequency * 5 - 1000;
+ prescale = pld->pld_clock / (bus_frequency * 5) - 1000;
else
- prescale = pld->pld_clock / bus_frequency * 4 - 3000;
+ prescale = pld->pld_clock / (bus_frequency * 4) - 3000;
if (prescale < 0)
prescale = 0;
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] i2c: Fix Kontron PLD prescaler calculation
2013-07-26 12:04 [PATCH] i2c: Fix Kontron PLD prescaler calculation Michael Brunner
@ 2013-08-02 3:48 ` Guenter Roeck
2013-08-05 8:35 ` Wolfram Sang
1 sibling, 0 replies; 3+ messages in thread
From: Guenter Roeck @ 2013-08-02 3:48 UTC (permalink / raw)
To: Michael Brunner
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA, Kevin Strasser,
Kevin Strasser, Darren Hart, Samuel Ortiz, Michael Brunner,
Chris Healy, Dirk Hohndel, Wolfram Sang,
linux-i2c-u79uwXL29TY76Z2rM5mHXA
On Fri, Jul 26, 2013 at 02:04:55PM +0200, Michael Brunner wrote:
> Add some necessary braces that have been removed during driver cleanup.
> This fixes the I2C prescaler calculation.
>
> Signed-off-by: Michael Brunner <michael.brunner-2UyDCMiLNfhBDgjK7y7TUQ@public.gmane.org>
Tested-by: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
Reviewed-by: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
Guenter
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] i2c: Fix Kontron PLD prescaler calculation
2013-07-26 12:04 [PATCH] i2c: Fix Kontron PLD prescaler calculation Michael Brunner
2013-08-02 3:48 ` Guenter Roeck
@ 2013-08-05 8:35 ` Wolfram Sang
1 sibling, 0 replies; 3+ messages in thread
From: Wolfram Sang @ 2013-08-05 8:35 UTC (permalink / raw)
To: Michael Brunner
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA, Kevin Strasser,
Kevin Strasser, Darren Hart, Samuel Ortiz, Guenter Roeck,
Michael Brunner, Chris Healy, Dirk Hohndel,
linux-i2c-u79uwXL29TY76Z2rM5mHXA
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On Fri, Jul 26, 2013 at 02:04:55PM +0200, Michael Brunner wrote:
> Add some necessary braces that have been removed during driver cleanup.
> This fixes the I2C prescaler calculation.
>
> Signed-off-by: Michael Brunner <michael.brunner-2UyDCMiLNfhBDgjK7y7TUQ@public.gmane.org>
Applied to for-current, thanks!
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-07-26 12:04 [PATCH] i2c: Fix Kontron PLD prescaler calculation Michael Brunner
2013-08-02 3:48 ` Guenter Roeck
2013-08-05 8:35 ` Wolfram Sang
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