diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/tty/serial/men_z135_uart.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/tty/serial/men_z135_uart.c')
-rw-r--r-- | drivers/tty/serial/men_z135_uart.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/tty/serial/men_z135_uart.c b/drivers/tty/serial/men_z135_uart.c index b90e7b304..3141aa208 100644 --- a/drivers/tty/serial/men_z135_uart.c +++ b/drivers/tty/serial/men_z135_uart.c @@ -35,8 +35,6 @@ #define MEN_Z135_BAUD_REG 0x810 #define MEN_Z135_TIMEOUT 0x814 -#define MEN_Z135_MEM_SIZE 0x818 - #define IRQ_ID(x) ((x) & 0x1f) #define MEN_Z135_IER_RXCIEN BIT(0) /* RX Space IRQ */ @@ -124,6 +122,7 @@ MODULE_PARM_DESC(rx_timeout, "RX timeout. " struct men_z135_port { struct uart_port port; struct mcb_device *mdev; + struct resource *mem; unsigned char *rxbuf; u32 stat_reg; spinlock_t lock; @@ -734,22 +733,30 @@ static const char *men_z135_type(struct uart_port *port) static void men_z135_release_port(struct uart_port *port) { + struct men_z135_port *uart = to_men_z135(port); + iounmap(port->membase); port->membase = NULL; - release_mem_region(port->mapbase, MEN_Z135_MEM_SIZE); + mcb_release_mem(uart->mem); } static int men_z135_request_port(struct uart_port *port) { - int size = MEN_Z135_MEM_SIZE; + struct men_z135_port *uart = to_men_z135(port); + struct mcb_device *mdev = uart->mdev; + struct resource *mem; + + mem = mcb_request_mem(uart->mdev, dev_name(&mdev->dev)); + if (IS_ERR(mem)) + return PTR_ERR(mem); - if (!request_mem_region(port->mapbase, size, "men_z135_port")) - return -EBUSY; + port->mapbase = mem->start; + uart->mem = mem; - port->membase = ioremap(port->mapbase, MEN_Z135_MEM_SIZE); + port->membase = ioremap(mem->start, resource_size(mem)); if (port->membase == NULL) { - release_mem_region(port->mapbase, MEN_Z135_MEM_SIZE); + mcb_release_mem(mem); return -ENOMEM; } |