Re: [PATCH V2 1/3] mmc: sdhci: Allow platform controlled voltage switching

2018-10-04 Thread Veerabhadrarao Badiganti
Hi Evan, On 9/22/2018 1:38 AM, Evan Green wrote: On Wed, Sep 19, 2018 at 11:24 PM Veerabhadrarao Badiganti wrote: From: Vijay Viswanath Some controllers can have internal mechanism to inform the SW that it is ready for voltage switching. For such controllers, changing voltage before the HW

Re: [PATCH V2 1/3] mmc: sdhci: Allow platform controlled voltage switching

2018-09-21 Thread Evan Green
On Wed, Sep 19, 2018 at 11:24 PM Veerabhadrarao Badiganti wrote: > > From: Vijay Viswanath > > Some controllers can have internal mechanism to inform the SW that it > is ready for voltage switching. For such controllers, changing voltage > before the HW is ready can result in various issues. > >

[PATCH V2 1/3] mmc: sdhci: Allow platform controlled voltage switching

2018-09-19 Thread Veerabhadrarao Badiganti
From: Vijay Viswanath Some controllers can have internal mechanism to inform the SW that it is ready for voltage switching. For such controllers, changing voltage before the HW is ready can result in various issues. During setup/cleanup of host, check whether regulator enable/disable was already