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ALSA: sc6000: Assign vport directly on card's private_data 

sc6000 driver tries to allocate an extra pointer for keeping the vport
address and point it over card->private_data.  But, this indirect
access is utterly superfluous, and we can keep the vport address
directly in card->private_data instead.  This will simply the code and
avoid confusion.

Link: https://lore.kernel.org/r/20210720162837.6026-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-07-20 18:28:37 +02:00
parent dca18a94d3
commit 9b7843d1e1
1 changed files with 9 additions and 10 deletions
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19
sound/isa/sc6000.c
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@ -531,10 +531,10 @@ static int snd_sc6000_match(struct device *devptr, unsigned int dev)
static void snd_sc6000_free(struct snd_card *card) static void snd_sc6000_free(struct snd_card *card)
{ {
char __iomem **vport = card->private_data; char __iomem *vport = card->private_data;
if (*vport) if (vport)
sc6000_setup_board(*vport, 0); sc6000_setup_board(vport, 0);
} }
static int snd_sc6000_probe(struct device *devptr, unsigned int dev) static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
@ -547,16 +547,14 @@ static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
struct snd_card *card; struct snd_card *card;
struct snd_wss *chip; struct snd_wss *chip;
struct snd_opl3 *opl3; struct snd_opl3 *opl3;
char __iomem **vport; char __iomem *vport;
char __iomem *vmss_port; char __iomem *vmss_port;
err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE, err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
sizeof(*vport), &card); 0, &card);
if (err < 0) if (err < 0)
return err; return err;
vport = card->private_data;
if (xirq == SNDRV_AUTO_IRQ) { if (xirq == SNDRV_AUTO_IRQ) {
xirq = snd_legacy_find_free_irq(possible_irqs); xirq = snd_legacy_find_free_irq(possible_irqs);
if (xirq < 0) { if (xirq < 0) {
@ -578,12 +576,13 @@ static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
"I/O port region is already in use.\n"); "I/O port region is already in use.\n");
return -EBUSY; return -EBUSY;
} }
*vport = devm_ioport_map(devptr, port[dev], 0x10); vport = devm_ioport_map(devptr, port[dev], 0x10);
if (*vport == NULL) { if (!vport) {
snd_printk(KERN_ERR PFX snd_printk(KERN_ERR PFX
"I/O port cannot be iomapped.\n"); "I/O port cannot be iomapped.\n");
return -EBUSY; return -EBUSY;
} }
card->private_data = vport;
/* to make it marked as used */ /* to make it marked as used */
if (!devm_request_region(devptr, mss_port[dev], 4, DRV_NAME)) { if (!devm_request_region(devptr, mss_port[dev], 4, DRV_NAME)) {
@ -602,7 +601,7 @@ static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
port[dev], xirq, xdma, port[dev], xirq, xdma,
mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]); mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
err = sc6000_init_board(*vport, vmss_port, dev); err = sc6000_init_board(vport, vmss_port, dev);
if (err < 0) if (err < 0)
return err; return err;
card->private_free = snd_sc6000_free; card->private_free = snd_sc6000_free;