On Mon, Oct 07, 2013 at 10:25:11PM +0200, Sebastian Hesselbarth wrote: > Ethernet IP on Kirkwood SoCs loose their MAC address register content > if clock gated. To allow modular ethernet driver setups and gated clocks > also on non-DT capable bootloaders, we fixup port device nodes with no > valid MAC address property. This patch copies MAC address register > contents set up by bootloaders early, notably before ethernet clocks > are gated. While at it, also reorder call sequence in _dt_init. > > Signed-off-by: Sebastian Hesselbarth <[email protected]> > Reviewed-by: Jason Gunthorpe <[email protected]> > Reviewed-by: Ezequiel Garcia <[email protected]> > Tested-by: Andrew Lunn <[email protected]> > --- > Just to make sure they don't get lost this time: > Added Jason's and Ezequiel's Reviewed-by to honor their constant reviews, > and Andrew's last Tested-by because I know he will be testing again. > > Changelog: > v3->v4: > - drop clk_is_enabled (and dependency) due to possible abuse of the > new function; enable/disable clk instead, remove gated clock warning > (Suggested by Andrew Lunn, Uwe Kleine-Koenig, Mike Turquette) > - reduce FW_BUG to FW_INFO (Suggested by Andrew Lunn) > - proper cleanup of iomap, clk, nodes > v2->v3: > - make use of new public clk_is_enabled (adds dependency) > - add warning about gated clock && missing MAC property > (Suggested by Jason Gunthorpe) > v1->v2: > - check for gated clock before accessing eth registers > (Suggested by Andrew Lunn) > > Cc: Jason Cooper <[email protected]> > Cc: Andrew Lunn <[email protected]> > Cc: Russell King <[email protected]> > Cc: Grant Likely <[email protected]> > Cc: Benjamin Herrenschmidt <[email protected]> > Cc: Jason Gunthorpe <[email protected]> > Cc: Ezequiel Garcia <[email protected]> > Cc: Mike Turquette <[email protected]> > Cc: [email protected] > Cc: [email protected] > --- > arch/arm/mach-kirkwood/board-dt.c | 86 > +++++++++++++++++++++++++++++++++++-- > 1 file changed, 83 insertions(+), 3 deletions(-)
Applied to mvebu/soc with Mike's Reviewed-by: thx, Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
