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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-31 19:31:54 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-31 19:31:54 (GMT)
commitd195ea4b1456192abe780fd773778cbe9f6d77ea (patch)
tree25ea330c4fced145290f6f5cfb1b06a1cf8402c0 /include
parentbb4bc81a234c66e8d8a4475110fa2d7988a34671 (diff)
parentdf7559d3440ff759ff6e1371ff722bb3a73a3639 (diff)
downloadlinux-fsl-qoriq-d195ea4b1456192abe780fd773778cbe9f6d77ea.tar.xz
Merge master.kernel.org:/home/rmk/linux-2.6-serial
Diffstat (limited to 'include')
-rw-r--r--include/linux/serial_8250.h2
-rw-r--r--include/linux/serial_core.h72
2 files changed, 38 insertions, 36 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index cee302a..73b464f 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -26,7 +26,7 @@ struct plat_serial8250_port {
unsigned char regshift; /* register shift */
unsigned char iotype; /* UPIO_* */
unsigned char hub6;
- unsigned int flags; /* UPF_* flags */
+ upf_t flags; /* UPF_* flags */
};
/*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index ec35100..4041122 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -203,6 +203,8 @@ struct uart_icount {
__u32 buf_overrun;
};
+typedef unsigned int __bitwise__ upf_t;
+
struct uart_port {
spinlock_t lock; /* port lock */
unsigned int iobase; /* in/out[bwl] */
@@ -230,36 +232,34 @@ struct uart_port {
unsigned long sysrq; /* sysrq timeout */
#endif
- unsigned int flags;
-
-#define UPF_FOURPORT (1 << 1)
-#define UPF_SAK (1 << 2)
-#define UPF_SPD_MASK (0x1030)
-#define UPF_SPD_HI (0x0010)
-#define UPF_SPD_VHI (0x0020)
-#define UPF_SPD_CUST (0x0030)
-#define UPF_SPD_SHI (0x1000)
-#define UPF_SPD_WARP (0x1010)
-#define UPF_SKIP_TEST (1 << 6)
-#define UPF_AUTO_IRQ (1 << 7)
-#define UPF_HARDPPS_CD (1 << 11)
-#define UPF_LOW_LATENCY (1 << 13)
-#define UPF_BUGGY_UART (1 << 14)
-#define UPF_AUTOPROBE (1 << 15)
-#define UPF_MAGIC_MULTIPLIER (1 << 16)
-#define UPF_BOOT_ONLYMCA (1 << 22)
-#define UPF_CONS_FLOW (1 << 23)
-#define UPF_SHARE_IRQ (1 << 24)
-#define UPF_BOOT_AUTOCONF (1 << 28)
-#define UPF_IOREMAP (1 << 31)
-
-#define UPF_CHANGE_MASK (0x17fff)
-#define UPF_USR_MASK (UPF_SPD_MASK|UPF_LOW_LATENCY)
+ upf_t flags;
+
+#define UPF_FOURPORT ((__force upf_t) (1 << 1))
+#define UPF_SAK ((__force upf_t) (1 << 2))
+#define UPF_SPD_MASK ((__force upf_t) (0x1030))
+#define UPF_SPD_HI ((__force upf_t) (0x0010))
+#define UPF_SPD_VHI ((__force upf_t) (0x0020))
+#define UPF_SPD_CUST ((__force upf_t) (0x0030))
+#define UPF_SPD_SHI ((__force upf_t) (0x1000))
+#define UPF_SPD_WARP ((__force upf_t) (0x1010))
+#define UPF_SKIP_TEST ((__force upf_t) (1 << 6))
+#define UPF_AUTO_IRQ ((__force upf_t) (1 << 7))
+#define UPF_HARDPPS_CD ((__force upf_t) (1 << 11))
+#define UPF_LOW_LATENCY ((__force upf_t) (1 << 13))
+#define UPF_BUGGY_UART ((__force upf_t) (1 << 14))
+#define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16))
+#define UPF_CONS_FLOW ((__force upf_t) (1 << 23))
+#define UPF_SHARE_IRQ ((__force upf_t) (1 << 24))
+#define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28))
+#define UPF_IOREMAP ((__force upf_t) (1 << 31))
+
+#define UPF_CHANGE_MASK ((__force upf_t) (0x17fff))
+#define UPF_USR_MASK ((__force upf_t) (UPF_SPD_MASK|UPF_LOW_LATENCY))
unsigned int mctrl; /* current modem ctrl settings */
unsigned int timeout; /* character-based timeout */
unsigned int type; /* port type */
- struct uart_ops *ops;
+ const struct uart_ops *ops;
unsigned int custom_divisor;
unsigned int line; /* port index */
unsigned long mapbase; /* for ioremap */
@@ -289,6 +289,9 @@ struct uart_state {
};
#define UART_XMIT_SIZE PAGE_SIZE
+
+typedef unsigned int __bitwise__ uif_t;
+
/*
* This is the state information which is only valid when the port
* is open; it may be freed by the core driver once the device has
@@ -298,17 +301,16 @@ struct uart_state {
struct uart_info {
struct tty_struct *tty;
struct circ_buf xmit;
- unsigned int flags;
+ uif_t flags;
/*
- * These are the flags that specific to info->flags, and reflect our
- * internal state. They can not be accessed via port->flags. Low
- * level drivers must not change these, but may query them instead.
+ * Definitions for info->flags. These are _private_ to serial_core, and
+ * are specific to this structure. They may be queried by low level drivers.
*/
-#define UIF_CHECK_CD (1 << 25)
-#define UIF_CTS_FLOW (1 << 26)
-#define UIF_NORMAL_ACTIVE (1 << 29)
-#define UIF_INITIALIZED (1 << 31)
+#define UIF_CHECK_CD ((__force uif_t) (1 << 25))
+#define UIF_CTS_FLOW ((__force uif_t) (1 << 26))
+#define UIF_NORMAL_ACTIVE ((__force uif_t) (1 << 29))
+#define UIF_INITIALIZED ((__force uif_t) (1 << 31))
int blocked_open;
@@ -430,7 +432,7 @@ static inline int uart_handle_break(struct uart_port *port)
port->sysrq = 0;
}
#endif
- if (info->flags & UPF_SAK)
+ if (port->flags & UPF_SAK)
do_SAK(info->tty);
return 0;
}