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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits)
  m68k: Define sigcontext ABI of ColdFire
  m68knommu: NPTL support for uClinux
  m68k: Add NPTL support
  m68k: Eliminate unused variable in page_to_phys()
  m68k: Switch to generic siginfo layout
  macfb: fix 24-bit visual and stuff
  macfb: cleanup
  fbdev: add some missing mac modes
  mac68k: start CUDA early
  valkyriefb: various fixes
  fbdev: mac_var_to_mode() fix
  mac68k: move macsonic and macmace platform devices
  mac68k: move mac_esp platform device
  mac68k: replace mac68k SCC code with platform device
  pmac-zilog: add platform driver
  pmac-zilog: cleanup
  mac68k: rework SWIM platform device
  mac68k: cleanup
  ataflop: Killl warning about unused variable flags
  m68k: Use DIV_ROUND_CLOSEST
  ...
This commit is contained in:
Linus Torvalds
2010-02-27 16:22:47 -08:00
parent 7981164791 00ebfe58b0
commit 847f9c606c
48 changed files with 1110 additions and 1435 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/macintosh/adb.c
View File

@@ -317,9 +317,11 @@ static int __init adb_init(void)
break;
}
}
if ((adb_controller == NULL) || adb_controller->init()) {
printk(KERN_WARNING "Warning: no ADB interface detected\n");
if (adb_controller != NULL && adb_controller->init &&
adb_controller->init())
adb_controller = NULL;
if (adb_controller == NULL) {
printk(KERN_WARNING "Warning: no ADB interface detected\n");
} else {
#ifdef CONFIG_PPC
if (of_machine_is_compatible("AAPL,PowerBook1998") ||

74
drivers/macintosh/via-cuda.c
View File

@@ -89,7 +89,6 @@ static int cuda_fully_inited;
#ifdef CONFIG_ADB
static int cuda_probe(void);
static int cuda_init(void);
static int cuda_send_request(struct adb_request *req, int sync);
static int cuda_adb_autopoll(int devs);
static int cuda_reset_adb_bus(void);
@@ -107,17 +106,42 @@ int cuda_request(struct adb_request *req,
#ifdef CONFIG_ADB
struct adb_driver via_cuda_driver = {
"CUDA",
cuda_probe,
cuda_init,
cuda_send_request,
cuda_adb_autopoll,
cuda_poll,
cuda_reset_adb_bus
.name = "CUDA",
.probe = cuda_probe,
.send_request = cuda_send_request,
.autopoll = cuda_adb_autopoll,
.poll = cuda_poll,
.reset_bus = cuda_reset_adb_bus,
};
#endif /* CONFIG_ADB */
#ifdef CONFIG_PPC
#ifdef CONFIG_MAC
int __init find_via_cuda(void)
{
struct adb_request req;
int err;
if (macintosh_config->adb_type != MAC_ADB_CUDA)
return 0;
via = via1;
cuda_state = idle;
err = cuda_init_via();
if (err) {
printk(KERN_ERR "cuda_init_via() failed\n");
via = NULL;
return 0;
}
/* enable autopoll */
cuda_request(&req, NULL, 3, CUDA_PACKET, CUDA_AUTOPOLL, 1);
while (!req.complete)
cuda_poll();
return 1;
}
#else
int __init find_via_cuda(void)
{
struct adb_request req;
@@ -175,7 +199,7 @@ int __init find_via_cuda(void)
vias = NULL;
return 0;
}
#endif /* CONFIG_PPC */
#endif /* !defined CONFIG_MAC */
static int __init via_cuda_start(void)
{
@@ -184,14 +208,14 @@ static int __init via_cuda_start(void)
#ifdef CONFIG_MAC
cuda_irq = IRQ_MAC_ADB;
#else /* CONFIG_MAC */
#else
cuda_irq = irq_of_parse_and_map(vias, 0);
if (cuda_irq == NO_IRQ) {
printk(KERN_ERR "via-cuda: can't map interrupts for %s\n",
vias->full_name);
return -ENODEV;
}
#endif /* CONFIG_MAC */
#endif
if (request_irq(cuda_irq, cuda_interrupt, 0, "ADB", cuda_interrupt)) {
printk(KERN_ERR "via-cuda: can't request irq %d\n", cuda_irq);
@@ -216,28 +240,10 @@ cuda_probe(void)
#else
if (macintosh_config->adb_type != MAC_ADB_CUDA)
return -ENODEV;
via = via1;
#endif
return 0;
}
static int __init
cuda_init(void)
{
#ifdef CONFIG_PPC
if (via == NULL)
return -ENODEV;
return 0;
#else
int err = cuda_init_via();
if (err) {
printk(KERN_ERR "cuda_init_via() failed\n");
return -ENODEV;
}
out_8(&via[IER], IER_SET|SR_INT); /* enable interrupt from SR */
return via_cuda_start();
#endif
}
#endif /* CONFIG_ADB */
@@ -430,9 +436,11 @@ cuda_poll(void)
/* cuda_interrupt only takes a normal lock, we disable
* interrupts here to avoid re-entering and thus deadlocking.
*/
disable_irq(cuda_irq);
if (cuda_irq)
disable_irq(cuda_irq);
cuda_interrupt(0, NULL);
enable_irq(cuda_irq);
if (cuda_irq)
enable_irq(cuda_irq);
}
static irqreturn_t
@@ -446,7 +454,7 @@ cuda_interrupt(int irq, void *arg)
spin_lock(&cuda_lock);
/* On powermacs, this handler is registered for the VIA IRQ. But it uses
/* On powermacs, this handler is registered for the VIA IRQ. But they use
* just the shift register IRQ -- other VIA interrupt sources are disabled.
* On m68k macs, the VIA IRQ sources are dispatched individually. Unless
* we are polling, the shift register IRQ flag has already been cleared.