Re: Samsung/S3C6410/Mini6410: how to handle NAND's "clock off"

2014-11-12 Thread Juergen Borleis
On Wednesday 12 November 2014 10:14:58 Uwe Kleine-König wrote: > Hello again, > > [extending audience a bit] > > On Tue, Nov 11, 2014 at 07:42:26PM +0100, Uwe Kleine-König wrote: > > On Tue, Nov 11, 2014 at 07:10:33PM +0100, Juergen Borleis wrote: > > > Hi, > > > > > > the S3C2410 NAND driver [1]

Re: Samsung/S3C6410/Mini6410: how to handle NAND's "clock off"

2014-11-12 Thread Uwe Kleine-König
Hello again, [extending audience a bit] On Tue, Nov 11, 2014 at 07:42:26PM +0100, Uwe Kleine-König wrote: > On Tue, Nov 11, 2014 at 07:10:33PM +0100, Juergen Borleis wrote: > > Hi, > > > > the S3C2410 NAND driver [1] can still be used for NANDs attached to an > > S3C6410 > > SoC. But this drive

Re: Samsung/S3C6410/Mini6410: how to handle NAND's "clock off"

2014-11-11 Thread Uwe Kleine-König
On Tue, Nov 11, 2014 at 07:10:33PM +0100, Juergen Borleis wrote: > Hi, > > the S3C2410 NAND driver [1] can still be used for NANDs attached to an S3C6410 > SoC. But this driver has a "nice" feature called "clock off" to save some > power while not in use. I tried it here on my Mini6410 platform an

Samsung/S3C6410/Mini6410: how to handle NAND's "clock off"

2014-11-11 Thread Juergen Borleis
Hi, the S3C2410 NAND driver [1] can still be used for NANDs attached to an S3C6410 SoC. But this driver has a "nice" feature called "clock off" to save some power while not in use. I tried it here on my Mini6410 platform and it freezes the system. The clock tree is somehow: [...] hclk