omapfb: dss: Handle return errors in dss_init_ports()


[ Upstream commit 0348aaa34412e24ebe622a2b1b013e68d6ae5412 ]

dss_init_ports() is not handling return errors from dpi_init_port() and
sdi_init_port(). It is also always returning 0 currently which results in
part of error handling code in dss_bind() being unused.

Fix dss_init_ports() to handle return errors from dpi_init_port() and
sdi_init_port().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: tomi.valkeinen@ti.com
[b.zolnierkie: fail early on errors, minor fixups]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed