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sh_mobile_meram: Safely disable MERAM operation when not initialized

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If the MERAM platform data is defined, but the MERAM has not been
properly initaliazed we need to safely fall back to non-MERAM operation.

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Damian 2011-05-24 07:01:21 +00:00 committed by Paul Mundt
parent 3fedd2ac76
commit eae9b85b5f
1 changed files with 2 additions and 1 deletions
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3
drivers/video/sh_mobile_lcdcfb.c
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@ -610,7 +610,8 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
pitch = ch->info->fix.line_length;
/* test if we can enable meram */
if (ch->cfg.meram_cfg && priv->meram_dev) {
if (ch->cfg.meram_cfg && priv->meram_dev &&
priv->meram_dev->ops) {
struct sh_mobile_meram_cfg *cfg;
struct sh_mobile_meram_info *mdev;
unsigned long icb_addr_y, icb_addr_c;