Current FSI driver is requesting sh_fsi_platform_info pointer from platform, and it didn't allowed NULL pointer. This patch fixes it.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/fsi.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 913916a..3260d54 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -1991,15 +1991,16 @@ static struct snd_soc_platform_driver fsi_soc_platform = { /* * platform function */ -static void fsi_handler_init(struct fsi_priv *fsi) +static void fsi_handler_init(struct fsi_priv *fsi, + struct sh_fsi_port_info *info) { fsi->playback.handler = &fsi_pio_push_handler; /* default PIO */ fsi->playback.priv = fsi; fsi->capture.handler = &fsi_pio_pop_handler; /* default PIO */ fsi->capture.priv = fsi;
- if (fsi->info->tx_id) { - fsi->playback.slave.shdma_slave.slave_id = fsi->info->tx_id; + if (info->tx_id) { + fsi->playback.slave.shdma_slave.slave_id = info->tx_id; fsi->playback.handler = &fsi_dma_push_handler; } } @@ -2009,11 +2010,16 @@ static int fsi_probe(struct platform_device *pdev) struct fsi_master *master; const struct platform_device_id *id_entry; struct sh_fsi_platform_info *info = pdev->dev.platform_data; + struct sh_fsi_port_info nul_info, *pinfo; struct fsi_priv *fsi; struct resource *res; unsigned int irq; int ret;
+ nul_info.flags = 0; + nul_info.tx_id = 0; + nul_info.rx_id = 0; + id_entry = pdev->id_entry; if (!id_entry) { dev_err(&pdev->dev, "unknown fsi device\n"); @@ -2046,11 +2052,12 @@ static int fsi_probe(struct platform_device *pdev) spin_lock_init(&master->lock);
/* FSI A setting */ + pinfo = (info) ? &info->port_a : &nul_info; fsi = &master->fsia; fsi->base = master->base; fsi->master = master; - fsi->info = &info->port_a; - fsi_handler_init(fsi); + fsi->info = pinfo; + fsi_handler_init(fsi, pinfo); ret = fsi_stream_probe(fsi, &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "FSIA stream probe failed\n"); @@ -2058,11 +2065,12 @@ static int fsi_probe(struct platform_device *pdev) }
/* FSI B setting */ + pinfo = (info) ? &info->port_b : &nul_info; fsi = &master->fsib; fsi->base = master->base + 0x40; fsi->master = master; - fsi->info = &info->port_b; - fsi_handler_init(fsi); + fsi->info = pinfo; + fsi_handler_init(fsi, pinfo); ret = fsi_stream_probe(fsi, &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "FSIB stream probe failed\n");