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path: root/drivers/pcmcia/yenta_socket.c
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Diffstat (limited to 'drivers/pcmcia/yenta_socket.c')
-rw-r--r--drivers/pcmcia/yenta_socket.c83
1 files changed, 47 insertions, 36 deletions
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index ac6a3f46b1e6..923ed23570a0 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Regular cardbus driver ("yenta_socket")
*
@@ -143,6 +144,7 @@ static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
return val;
}
+/*
static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
{
u16 val;
@@ -151,6 +153,7 @@ static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
debug("%04x %04x\n", socket, reg, val);
return val;
}
+*/
static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
{
@@ -172,20 +175,19 @@ static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
{
- struct pci_dev *dev = to_pci_dev(yentadev);
- struct yenta_socket *socket = pci_get_drvdata(dev);
+ struct yenta_socket *socket = dev_get_drvdata(yentadev);
int offset = 0, i;
- offset = snprintf(buf, PAGE_SIZE, "CB registers:");
+ offset = sysfs_emit(buf, "CB registers:");
for (i = 0; i < 0x24; i += 4) {
unsigned val;
if (!(i & 15))
- offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
+ offset += sysfs_emit_at(buf, offset, "\n%02x:", i);
val = cb_readl(socket, i);
- offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
+ offset += sysfs_emit_at(buf, offset, " %08x", val);
}
- offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
+ offset += sysfs_emit_at(buf, offset, "\n\nExCA registers:");
for (i = 0; i < 0x45; i++) {
unsigned char val;
if (!(i & 7)) {
@@ -193,12 +195,12 @@ static ssize_t show_yenta_registers(struct device *yentadev, struct device_attri
memcpy(buf + offset, " -", 2);
offset += 2;
} else
- offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
+ offset += sysfs_emit_at(buf, offset, "\n%02x:", i);
}
val = exca_readb(socket, i);
- offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
+ offset += sysfs_emit_at(buf, offset, " %02x", val);
}
- buf[offset++] = '\n';
+ sysfs_emit_at(buf, offset, "\n");
return offset;
}
@@ -537,7 +539,8 @@ static irqreturn_t yenta_interrupt(int irq, void *dev_id)
static void yenta_interrupt_wrapper(struct timer_list *t)
{
- struct yenta_socket *socket = from_timer(socket, t, poll_timer);
+ struct yenta_socket *socket = timer_container_of(socket, t,
+ poll_timer);
yenta_interrupt(0, (void *)socket);
socket->poll_timer.expires = jiffies + HZ;
@@ -636,11 +639,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res,
start = PCIBIOS_MIN_CARDBUS_IO;
end = ~0U;
} else {
- unsigned long avail = root->end - root->start;
+ unsigned long avail = resource_size(root);
int i;
size = BRIDGE_MEM_MAX;
- if (size > avail/8) {
- size = (avail+1)/8;
+ if (size > (avail - 1) / 8) {
+ size = avail / 8;
/* round size down to next power of 2 */
i = 0;
while ((size /= 2) != 0)
@@ -694,7 +697,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
struct pci_bus_region region;
unsigned mask;
- res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
+ res = &dev->resource[nr];
/* Already allocated? */
if (res->parent)
return 0;
@@ -711,7 +714,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
region.end = config_readl(socket, addr_end) | ~mask;
if (region.start && region.end > region.start && !override_bios) {
pcibios_bus_to_resource(dev->bus, res, &region);
- if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
+ if (pci_claim_resource(dev, nr) == 0)
return 0;
dev_info(&dev->dev,
"Preassigned resource %d busy or not available, reconfiguring...\n",
@@ -745,19 +748,35 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
return 0;
}
+static void yenta_free_res(struct yenta_socket *socket, int nr)
+{
+ struct pci_dev *dev = socket->dev;
+ struct resource *res;
+
+ res = &dev->resource[nr];
+ if (res->start != 0 && res->end != 0)
+ release_resource(res);
+
+ res->start = res->end = res->flags = 0;
+}
+
/*
* Allocate the bridge mappings for the device..
*/
static void yenta_allocate_resources(struct yenta_socket *socket)
{
int program = 0;
- program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
+ program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW,
+ IORESOURCE_IO,
PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
- program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
+ program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW,
+ IORESOURCE_IO,
PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
- program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
+ program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW,
+ IORESOURCE_MEM | IORESOURCE_PREFETCH,
PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
- program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
+ program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW,
+ IORESOURCE_MEM,
PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
if (program)
pci_setup_cardbus(socket->dev->subordinate);
@@ -769,14 +788,10 @@ static void yenta_allocate_resources(struct yenta_socket *socket)
*/
static void yenta_free_resources(struct yenta_socket *socket)
{
- int i;
- for (i = 0; i < 4; i++) {
- struct resource *res;
- res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
- if (res->start != 0 && res->end != 0)
- release_resource(res);
- res->start = res->end = res->flags = 0;
- }
+ yenta_free_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW);
+ yenta_free_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW);
+ yenta_free_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW);
+ yenta_free_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW);
}
@@ -800,7 +815,7 @@ static void yenta_close(struct pci_dev *dev)
if (sock->cb_irq)
free_irq(sock->cb_irq, sock);
else
- del_timer_sync(&sock->poll_timer);
+ timer_shutdown_sync(&sock->poll_timer);
iounmap(sock->base);
yenta_free_resources(sock);
@@ -1271,7 +1286,7 @@ static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (socket->cb_irq)
free_irq(socket->cb_irq, socket);
else
- del_timer_sync(&socket->poll_timer);
+ timer_shutdown_sync(&socket->poll_timer);
unmap:
iounmap(socket->base);
yenta_free_resources(socket);
@@ -1285,7 +1300,7 @@ static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
return ret;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int yenta_dev_suspend_noirq(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -1330,12 +1345,7 @@ static int yenta_dev_resume_noirq(struct device *dev)
}
static const struct dev_pm_ops yenta_pm_ops = {
- .suspend_noirq = yenta_dev_suspend_noirq,
- .resume_noirq = yenta_dev_resume_noirq,
- .freeze_noirq = yenta_dev_suspend_noirq,
- .thaw_noirq = yenta_dev_resume_noirq,
- .poweroff_noirq = yenta_dev_suspend_noirq,
- .restore_noirq = yenta_dev_resume_noirq,
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(yenta_dev_suspend_noirq, yenta_dev_resume_noirq)
};
#define YENTA_PM_OPS (&yenta_pm_ops)
@@ -1443,4 +1453,5 @@ static struct pci_driver yenta_cardbus_driver = {
module_pci_driver(yenta_cardbus_driver);
+MODULE_DESCRIPTION("Driver for CardBus yenta-compatible bridges");
MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-25 10:40:13 +0000