Messages in this thread | | | Date | Mon, 15 Jan 2018 19:21:45 +0100 | From | Wolfram Sang <> | Subject | Re: [RESEND, 1/4] i2c: mpc: get MPC8xxx I2C clock prescaler before using it in calculations |
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On Sat, Dec 30, 2017 at 07:18:14PM +0100, Wolfram Sang wrote: > On Thu, Dec 07, 2017 at 05:20:00PM +0700, Arseny Solokha wrote: > > Obtaining the actual I2C clock prescaler value in mpc_i2c_setup_8xxx() only > > happens when the clock parameter is set to something other than > > MPC_I2C_CLOCK_LEGACY. When the clock parameter is exactly > > MPC_I2C_CLOCK_LEGACY, the prescaler parameter is used in arithmetic > > division as provided by the caller, resulting in a division by zero > > for the majority of processors supported by the module. > > > > Avoid division by zero by obtaining the actual I2C clock prescaler > > in mpc_i2c_setup_8xxx() unconditionally regardless of the passed clock > > value. > > > > Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru> > > Applied to for-current, thanks!
Reconsidered and moved to for-next.
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