drivers: tty: serial: cpm_uart: fix logging calls

Fix checkpatch warnings by using pr_err():

    WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
    torvalds#109: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:109:
    +		printk(KERN_ERR

    WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
    torvalds#128: FILE: drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c:128:
    +		printk(KERN_ERR

    WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
    +           printk(KERN_ERR

    WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
    +           printk(KERN_ERR

Reviewed-by: Christophe Leroy <[email protected]>
Signed-off-by: Enrico Weigelt <[email protected]>

Author: metux

drivers/tty/serial/cpm_uart/cpm_uart_cpm1.c

@@ -71,8 +71,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
 	dpmemsz = sizeof(cbd_t) * (pinfo->rx_nrfifos + pinfo->tx_nrfifos);
 	dp_offset = cpm_dpalloc(dpmemsz, 8);
 	if (IS_ERR_VALUE(dp_offset)) {
-		printk(KERN_ERR
-		       "cpm_uart_cpm1.c: could not allocate buffer descriptors\n");
+		pr_err("cpm_uart_cpm1.c: could not allocate buffer descriptors\n");
 		return -ENOMEM;
 	}
 	dp_mem = cpm_dpram_addr(dp_offset);
@@ -90,8 +89,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
 
 	if (mem_addr == NULL) {
 		cpm_dpfree(dp_offset);
-		printk(KERN_ERR
-		       "cpm_uart_cpm1.c: could not allocate coherent memory\n");
+		pr_err("cpm_uart_cpm1.c: could not allocate coherent memory\n");
 		return -ENOMEM;
 	}
 

drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c

@@ -106,8 +106,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
 	dpmemsz = sizeof(cbd_t) * (pinfo->rx_nrfifos + pinfo->tx_nrfifos);
 	dp_offset = cpm_dpalloc(dpmemsz, 8);
 	if (IS_ERR_VALUE(dp_offset)) {
-		printk(KERN_ERR
-		       "cpm_uart_cpm.c: could not allocate buffer descriptors\n");
+		pr_err("cpm_uart_cpm.c: could not allocate buffer descriptors\n");
 		return -ENOMEM;
 	}
 
@@ -125,8 +124,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
 
 	if (mem_addr == NULL) {
 		cpm_dpfree(dp_offset);
-		printk(KERN_ERR
-		       "cpm_uart_cpm.c: could not allocate coherent memory\n");
+		pr_err("cpm_uart_cpm.c: could not allocate coherent memory\n");
 		return -ENOMEM;
 	}