Dear Liu Shengzhou-B36685, > Hello guys, > > I didn't get an explicit list from silicon team to point out which > platforms contain this PHY_CLK_VALID bit or not, Someone said all > platforms have this bit, it's not true, at least we found P4080 and P1022 > no this bit. I'll trace it later. > > This patch is not necessary for boards with USB PHY clock valid, just for > those case of USB PHY clock invalid.
Roger that, thanks a lot :) > > Thanks, > Shengzhou > > > -----Original Message----- > > From: Marek Vasut [mailto:ma...@denx.de] > > Sent: Thursday, April 19, 2012 6:57 AM > > To: Andy Fleming > > Cc: Liu Shengzhou-B36685; u-boot@lists.denx.de > > Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when > > missing USB PHY clock > > > > Dear Andy Fleming, > > > > > Pinging you on this, again. Also, I've now moved the patch to Marek's > > > queue, instead of mine. > > > > Thanks! Did the FSL silicon team respond already? > > > > > On Sun, Feb 26, 2012 at 8:44 PM, Liu Shengzhou-B36685 > > > > > > <b36...@freescale.com> wrote: > > > >> -----Original Message----- > > > >> From: Marek Vasut [mailto:ma...@denx.de] > > > >> Sent: Monday, February 27, 2012 7:13 AM > > > >> To: u-boot@lists.denx.de > > > >> Cc: Liu Shengzhou-B36685 > > > >> Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when > > > >> missing USB PHY clock > > > >> > > > >> > when missing USB PHY clock and issuing "usb start" at u-boot > > > >> > prompt, writing to or_portsc register will cause CPU halt. We > > > >> > should check USBGP[PHY_CLK_VALID] bit at the first time in > > > >> > ehci_hcd_init() to > > > >> > > > >> avoid > > > >> > > > >> > CPU hang in this case. > > > >> > > > > >> > Signed-off-by: Shengzhou Liu <shengzhou....@freescale.com> > > > >> > --- > > > >> > > > > >> > drivers/usb/host/ehci-fsl.c | 22 +++++++++++++++++++--- > > > >> > 1 files changed, 19 insertions(+), 3 deletions(-) > > > >> > > > >> Hi, > > > >> > > > >> what's the status of this patch/patchset? > > > >> > > > >> Thanks > > > >> M > > > > > > > > Currently we found that usb CTRL_PHY_CLK_VALID bit breaks on P1022 > > > > platform, which not contains this bit. - P1023/P3041/P5020 etc, have > > > > this bit > > > > > > > > - P3060/4080/PSC913x do have this bit, but not mentioned in RM. > > > > - P1022(perhaps and other) has no this bit I'm waiting for the > > > > > > > > response from FSL silicon team to confirm whether there is other > > > > platform not including this bit or not, so this patch maybe have to > > > > be pending until I get confirmation. > > > > > > > > Thanks, > > > > Shengzhou > > > > > > > > > > > > _______________________________________________ > > > > U-Boot mailing list > > > > U-Boot@lists.denx.de > > > > http://lists.denx.de/mailman/listinfo/u-boot > > > > Best regards, > > Marek Vasut Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot