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[src/trunk]: src/sys/dev/acpi Revert acpi_ec.c 1.76.
details: https://anonhg.NetBSD.org/src/rev/a066c13567cf
branches: trunk
changeset: 1009075:a066c13567cf
user: riastradh <riastradh%NetBSD.org@localhost>
date: Sun Apr 12 01:11:43 2020 +0000
description:
Revert acpi_ec.c 1.76.
We will do this another way, and separate KNF fixes from the critical
functional change.
ok msaitoh
diffstat:
sys/dev/acpi/acpi_ec.c | 79 ++++++++++++++++++++++---------------------------
1 files changed, 35 insertions(+), 44 deletions(-)
diffs (177 lines):
diff -r 51abc9b2824c -r a066c13567cf sys/dev/acpi/acpi_ec.c
--- a/sys/dev/acpi/acpi_ec.c Sun Apr 12 01:11:23 2020 +0000
+++ b/sys/dev/acpi/acpi_ec.c Sun Apr 12 01:11:43 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_ec.c,v 1.78 2020/04/12 01:11:23 riastradh Exp $ */
+/* $NetBSD: acpi_ec.c,v 1.79 2020/04/12 01:11:43 riastradh Exp $ */
/*-
* Copyright (c) 2007 Joerg Sonnenberger <joerg%NetBSD.org@localhost>.
@@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_ec.c,v 1.78 2020/04/12 01:11:23 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_ec.c,v 1.79 2020/04/12 01:11:43 riastradh Exp $");
#include <sys/param.h>
#include <sys/callout.h>
@@ -404,7 +404,6 @@
static bool
acpiec_suspend(device_t dv, const pmf_qual_t *qual)
{
-
acpiec_cold = true;
return true;
@@ -413,7 +412,6 @@
static bool
acpiec_resume(device_t dv, const pmf_qual_t *qual)
{
-
acpiec_cold = false;
return true;
@@ -456,10 +454,9 @@
ACPI_FREE(p);
return false;
}
-
+
if (p->Package.Count != 2) {
- aprint_error_dev(self,
- "_GPE package does not contain 2 elements\n");
+ aprint_error_dev(self, "_GPE package does not contain 2 elements\n");
ACPI_FREE(p);
return false;
}
@@ -514,7 +511,6 @@
acpiec_space_setup(ACPI_HANDLE region, uint32_t func, void *arg,
void **region_arg)
{
-
if (func == ACPI_REGION_DEACTIVATE)
*region_arg = NULL;
else
@@ -532,11 +528,9 @@
mutex_enter(&sc->sc_access_mtx);
if (sc->sc_need_global_lock) {
- rv = AcpiAcquireGlobalLock(EC_LOCK_TIMEOUT,
- &sc->sc_global_lock);
+ rv = AcpiAcquireGlobalLock(EC_LOCK_TIMEOUT, &sc->sc_global_lock);
if (rv != AE_OK) {
- aprint_error_dev(dv,
- "failed to acquire global lock: %s\n",
+ aprint_error_dev(dv, "failed to acquire global lock: %s\n",
AcpiFormatException(rv));
return;
}
@@ -552,8 +546,7 @@
if (sc->sc_need_global_lock) {
rv = AcpiReleaseGlobalLock(sc->sc_global_lock);
if (rv != AE_OK) {
- aprint_error_dev(dv,
- "failed to release global lock: %s\n",
+ aprint_error_dev(dv, "failed to release global lock: %s\n",
AcpiFormatException(rv));
}
}
@@ -594,8 +587,7 @@
} else if (cv_timedwait(&sc->sc_cv, &sc->sc_mtx, EC_CMD_TIMEOUT * hz)) {
mutex_exit(&sc->sc_mtx);
acpiec_unlock(dv);
- aprint_error_dev(dv,
- "command takes over %d sec...\n", EC_CMD_TIMEOUT);
+ aprint_error_dev(dv, "command takes over %d sec...\n", EC_CMD_TIMEOUT);
return AE_ERROR;
}
@@ -642,8 +634,7 @@
} else if (cv_timedwait(&sc->sc_cv, &sc->sc_mtx, EC_CMD_TIMEOUT * hz)) {
mutex_exit(&sc->sc_mtx);
acpiec_unlock(dv);
- aprint_error_dev(dv,
- "command takes over %d sec...\n", EC_CMD_TIMEOUT);
+ aprint_error_dev(dv, "command takes over %d sec...\n", EC_CMD_TIMEOUT);
return AE_ERROR;
}
@@ -657,42 +648,43 @@
acpiec_space_handler(uint32_t func, ACPI_PHYSICAL_ADDRESS paddr,
uint32_t width, ACPI_INTEGER *value, void *arg, void *region_arg)
{
- device_t dv = arg;
+ device_t dv;
ACPI_STATUS rv;
- uint8_t addr;
- uint8_t *reg;
+ uint8_t addr, reg;
+ unsigned int i;
- if ((func != ACPI_READ) && (func != ACPI_WRITE)) {
- aprint_error("%s: invalid Address Space function called: %x\n",
- device_xname(dv), (unsigned int)func);
- return AE_BAD_PARAMETER;
- }
if (paddr > 0xff || width % 8 != 0 || value == NULL || arg == NULL ||
paddr + width / 8 > 0x100)
return AE_BAD_PARAMETER;
addr = paddr;
- reg = (uint8_t *)value;
+ dv = arg;
rv = AE_OK;
- if (func == ACPI_READ)
+ switch (func) {
+ case ACPI_READ:
*value = 0;
-
- do {
- switch (func) {
- case ACPI_READ:
- rv = acpiec_read(dv, addr, reg);
- break;
- case ACPI_WRITE:
- rv = acpiec_write(dv, addr, *reg);
- break;
+ for (i = 0; i < width; i += 8, ++addr) {
+ rv = acpiec_read(dv, addr, ®);
+ if (rv != AE_OK)
+ break;
+ *value |= (ACPI_INTEGER)reg << i;
}
- if (rv != AE_OK)
- break;
- addr++;
- reg++;
- } while (addr < (paddr + width / 8));
+ break;
+ case ACPI_WRITE:
+ for (i = 0; i < width; i += 8, ++addr) {
+ reg = (*value >>i) & 0xff;
+ rv = acpiec_write(dv, addr, reg);
+ if (rv != AE_OK)
+ break;
+ }
+ break;
+ default:
+ aprint_error("%s: invalid Address Space function called: %x\n",
+ device_xname(dv), (unsigned int)func);
+ return AE_BAD_PARAMETER;
+ }
return rv;
}
@@ -875,8 +867,7 @@
ACPI_STATUS
acpiec_bus_write(device_t dv, u_int addr, ACPI_INTEGER val, int width)
{
- return acpiec_space_handler(ACPI_WRITE, addr, width * 8, &val, dv,
- NULL);
+ return acpiec_space_handler(ACPI_WRITE, addr, width * 8, &val, dv, NULL);
}
ACPI_HANDLE
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