Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: DMA Cleanup as per sparse ARM: SAMSUNG: Check NULL return from irq_alloc_generic_chip
This commit is contained in:
commit
94b0522ab7
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@ -113,7 +113,7 @@ found:
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return chan;
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}
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int s3c2410_dma_config(unsigned int channel, int xferunit)
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int s3c2410_dma_config(enum dma_ch channel, int xferunit)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -297,7 +297,7 @@ static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan)
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return 0;
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}
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int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
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int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -331,7 +331,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
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*
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*/
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int s3c2410_dma_enqueue(unsigned int channel, void *id,
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int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
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dma_addr_t data, int size)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -415,7 +415,7 @@ err_buff:
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EXPORT_SYMBOL(s3c2410_dma_enqueue);
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int s3c2410_dma_devconfig(unsigned int channel,
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int s3c2410_dma_devconfig(enum dma_ch channel,
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enum s3c2410_dmasrc source,
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unsigned long devaddr)
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{
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@ -463,7 +463,7 @@ int s3c2410_dma_devconfig(unsigned int channel,
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EXPORT_SYMBOL(s3c2410_dma_devconfig);
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int s3c2410_dma_getposition(unsigned int channel,
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int s3c2410_dma_getposition(enum dma_ch channel,
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dma_addr_t *src, dma_addr_t *dst)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -487,7 +487,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition);
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* get control of an dma channel
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*/
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int s3c2410_dma_request(unsigned int channel,
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int s3c2410_dma_request(enum dma_ch channel,
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struct s3c2410_dma_client *client,
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void *dev)
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{
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@ -533,7 +533,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
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* allowed to go through.
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*/
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int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
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int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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unsigned long flags;
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@ -712,7 +712,7 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel);
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* get control of an dma channel
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*/
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int s3c2410_dma_request(unsigned int channel,
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int s3c2410_dma_request(enum dma_ch channel,
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struct s3c2410_dma_client *client,
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void *dev)
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{
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@ -783,7 +783,7 @@ EXPORT_SYMBOL(s3c2410_dma_request);
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* allowed to go through.
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*/
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int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
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int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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unsigned long flags;
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@ -974,7 +974,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan)
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}
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int
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s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
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s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -1021,7 +1021,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl);
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* xfersize: size of unit in bytes (1,2,4)
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*/
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int s3c2410_dma_config(unsigned int channel,
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int s3c2410_dma_config(enum dma_ch channel,
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int xferunit)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -1100,7 +1100,7 @@ EXPORT_SYMBOL(s3c2410_dma_config);
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* devaddr: physical address of the source
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*/
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int s3c2410_dma_devconfig(unsigned int channel,
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int s3c2410_dma_devconfig(enum dma_ch channel,
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enum s3c2410_dmasrc source,
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unsigned long devaddr)
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{
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@ -1173,7 +1173,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig);
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* returns the current transfer points for the dma source and destination
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*/
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int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
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int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -41,7 +41,7 @@ struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel)
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* irq?
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*/
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int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
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int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -56,7 +56,7 @@ int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
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}
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EXPORT_SYMBOL(s3c2410_dma_set_opfn);
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int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
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int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -71,7 +71,7 @@ int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
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}
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EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
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int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
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int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags)
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{
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struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
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@ -42,6 +42,7 @@ struct s3c2410_dma_client {
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};
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struct s3c2410_dma_chan;
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enum dma_ch;
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/* s3c2410_dma_cbfn_t
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*
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@ -62,7 +63,7 @@ typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
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* request a dma channel exclusivley
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*/
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extern int s3c2410_dma_request(unsigned int channel,
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extern int s3c2410_dma_request(enum dma_ch channel,
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struct s3c2410_dma_client *, void *dev);
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@ -71,14 +72,14 @@ extern int s3c2410_dma_request(unsigned int channel,
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* change the state of the dma channel
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*/
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extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
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extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op);
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/* s3c2410_dma_setflags
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*
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* set the channel's flags to a given state
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*/
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extern int s3c2410_dma_setflags(unsigned int channel,
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extern int s3c2410_dma_setflags(enum dma_ch channel,
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unsigned int flags);
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/* s3c2410_dma_free
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* free the dma channel (will also abort any outstanding operations)
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*/
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extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
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extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *);
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/* s3c2410_dma_enqueue
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*
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* drained before the buffer is given to the DMA system.
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*/
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extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
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extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
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dma_addr_t data, int size);
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/* s3c2410_dma_config
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* configure the dma channel
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*/
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extern int s3c2410_dma_config(unsigned int channel, int xferunit);
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extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
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/* s3c2410_dma_devconfig
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*
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* configure the device we're talking to
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*/
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extern int s3c2410_dma_devconfig(unsigned int channel,
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extern int s3c2410_dma_devconfig(enum dma_ch channel,
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enum s3c2410_dmasrc source, unsigned long devaddr);
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/* s3c2410_dma_getposition
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* get the position that the dma transfer is currently at
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*/
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extern int s3c2410_dma_getposition(unsigned int channel,
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extern int s3c2410_dma_getposition(enum dma_ch channel,
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dma_addr_t *src, dma_addr_t *dest);
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extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
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extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
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extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn);
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extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn);
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@ -54,6 +54,13 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
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gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
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handle_level_irq);
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if (!gc) {
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pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
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__func__, uirq->base_irq);
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return;
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}
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ct = gc->chip_types;
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ct->chip.irq_ack = irq_gc_ack_set_bit;
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ct->chip.irq_mask = irq_gc_mask_set_bit;
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@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq)
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s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq,
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S3C64XX_TINT_CSTAT, handle_level_irq);
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if (!s3c_tgc) {
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pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n",
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__func__, timer_irq);
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return;
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}
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ct = s3c_tgc->chip_types;
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ct->chip.irq_mask = irq_gc_mask_clr_bit;
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ct->chip.irq_unmask = irq_gc_mask_set_bit;
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