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Commit 435706b3 authored by Grant Likely's avatar Grant Likely Committed by Josh Boyer
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[POWERPC] Uartlite: Comment block tidy



Tidy the comments to split the driver into logical section; the main driver,
the console driver, the platform bus binding, and module initialization
and teardown.

Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 8fa7b610
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+40 −3
Original line number Diff line number Diff line
@@ -23,9 +23,13 @@
#define ULITE_MINOR		187
#define ULITE_NR_UARTS		4

/* For register details see datasheet:
   http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf
/* ---------------------------------------------------------------------
 * Register definitions
 *
 * For register details see datasheet:
 * http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf
 */

#define ULITE_RX		0x00
#define ULITE_TX		0x04
#define ULITE_STATUS		0x08
@@ -49,6 +53,10 @@

static struct uart_port ulite_ports[ULITE_NR_UARTS];

/* ---------------------------------------------------------------------
 * Core UART driver operations
 */

static int ulite_receive(struct uart_port *port, int stat)
{
	struct tty_struct *tty = port->info->tty;
@@ -308,6 +316,10 @@ static struct uart_ops ulite_ops = {
	.verify_port	= ulite_verify_port
};

/* ---------------------------------------------------------------------
 * Console driver operations
 */

#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
static void ulite_console_wait_tx(struct uart_port *port)
{
@@ -413,6 +425,19 @@ static struct uart_driver ulite_uart_driver = {
#endif
};

/* ---------------------------------------------------------------------
 * Port assignment functions (mapping devices to uart_port structures)
 */

/** ulite_assign: register a uartlite device with the driver
 *
 * @dev: pointer to device structure
 * @id: requested id number.  Pass -1 for automatic port assignment
 * @base: base address of uartlite registers
 * @irq: irq number for uartlite
 *
 * Returns: 0 on success, <0 otherwise
 */
static int __devinit ulite_assign(struct device *dev, int id, u32 base, int irq)
{
	struct uart_port *port;
@@ -465,6 +490,10 @@ static int __devinit ulite_assign(struct device *dev, int id, u32 base, int irq)
	return 0;
}

/** ulite_release: register a uartlite device with the driver
 *
 * @dev: pointer to device structure
 */
static int __devinit ulite_release(struct device *dev)
{
	struct uart_port *port = dev_get_drvdata(dev);
@@ -479,6 +508,10 @@ static int __devinit ulite_release(struct device *dev)
	return rc;
}

/* ---------------------------------------------------------------------
 * Platform bus binding
 */

static int __devinit ulite_probe(struct platform_device *pdev)
{
	struct resource *res, *res2;
@@ -508,6 +541,10 @@ static struct platform_driver ulite_platform_driver = {
		   },
};

/* ---------------------------------------------------------------------
 * Module setup/teardown
 */

int __init ulite_init(void)
{
	int ret;