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i2c: Fix Kontron PLD prescaler calculation

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Add some necessary braces that have been removed during driver cleanup.
This fixes the I2C prescaler calculation.

Signed-off-by: Michael Brunner <michael.brunner@kontron.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Michael Brunner 2013-07-26 14:04:55 +02:00 committed by Wolfram Sang
parent d6e102f498
commit 4c715661d9
1 changed files with 2 additions and 2 deletions
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4
drivers/i2c/busses/i2c-kempld.c
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@ -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;