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TTY/Serial driver updates for 6.3-rc1

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Here is the big set of serial and tty driver updates for 6.3-rc1.
 
 Once again, Jiri and Ilpo have done a number of core vt and tty/serial
 layer cleanups that were much needed and appreciated.  Other than that,
 it's just a bunch of little tty/serial driver updates:
   - qcom-geni-serial driver updates
   - liteuart driver updates
   - hvcs driver cleanups
   - n_gsm updates and additions for new features
   - more 8250 device support added
   - fpga/dfl update and additions
   - imx serial driver updates
   - fsl_lpuart updates
   - other tiny fixes and updates for serial drivers
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver updates from Greg KH:
 "Here is the big set of serial and tty driver updates for 6.3-rc1.

  Once again, Jiri and Ilpo have done a number of core vt and tty/serial
  layer cleanups that were much needed and appreciated. Other than that,
  it's just a bunch of little tty/serial driver updates:

   - qcom-geni-serial driver updates

   - liteuart driver updates

   - hvcs driver cleanups

   - n_gsm updates and additions for new features

   - more 8250 device support added

   - fpga/dfl update and additions

   - imx serial driver updates

   - fsl_lpuart updates

   - other tiny fixes and updates for serial drivers

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (143 commits)
  tty: n_gsm: add keep alive support
  serial: imx: remove a redundant check
  dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties
  soc: qcom: geni-se: Move qcom-geni-se.h to linux/soc/qcom/geni-se.h
  tty: n_gsm: add TIOCMIWAIT support
  tty: n_gsm: add RING/CD control support
  tty: n_gsm: mark unusable ioctl structure fields accordingly
  serial: imx: get rid of registers shadowing
  serial: imx: refine local variables in rxint()
  serial: imx: stop using USR2 in FIFO reading loop
  serial: imx: remove redundant USR2 read from FIFO reading loop
  serial: imx: do not break from FIFO reading loop prematurely
  serial: imx: do not sysrq broken chars
  serial: imx: work-around for hardware RX flood
  serial: imx: factor-out common code to imx_uart_soft_reset()
  serial: 8250_pci1xxxx: Add power management functions to quad-uart driver
  serial: 8250_pci1xxxx: Add RS485 support to quad-uart driver
  serial: 8250_pci1xxxx: Add driver for quad-uart support
  serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c
  tty: pcn_uart: fix memory leak with using debugfs_lookup()
  ...
This commit is contained in:
Linus Torvalds 2023-02-24 12:17:14 -08:00
commit 17cd4d6f05
104 changed files with 2927 additions and 1302 deletions
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17
include/uapi/linux/gsmmux.h
View file

@ -19,8 +19,7 @@ struct gsm_config
unsigned int mtu;
unsigned int k;
unsigned int i;
unsigned int unused[8]; /* Padding for expansion without
breaking stuff */
unsigned int unused[8]; /* Can not be used */
};
#define GSMIOC_GETCONF _IOR('G', 0, struct gsm_config)
@ -29,9 +28,9 @@ struct gsm_config
struct gsm_netconfig {
unsigned int adaption; /* Adaption to use in network mode */
unsigned short protocol;/* Protocol to use - only ETH_P_IP supported */
unsigned short unused2;
unsigned short unused2; /* Can not be used */
char if_name[IFNAMSIZ]; /* interface name format string */
__u8 unused[28]; /* For future use */
__u8 unused[28]; /* Can not be used */
};
#define GSMIOC_ENABLE_NET _IOW('G', 2, struct gsm_netconfig)
@ -40,4 +39,14 @@ struct gsm_netconfig {
/* get the base tty number for a configured gsmmux tty */
#define GSMIOC_GETFIRST _IOR('G', 4, __u32)
struct gsm_config_ext {
__u32 keep_alive; /* Control channel keep-alive in 1/100th of a
* second (0 to disable)
*/
__u32 reserved[7]; /* For future use, must be initialized to zero */
};
#define GSMIOC_GETCONF_EXT _IOR('G', 5, struct gsm_config_ext)
#define GSMIOC_SETCONF_EXT _IOW('G', 6, struct gsm_config_ext)
#endif

10
include/uapi/linux/kd.h
View file

@ -161,19 +161,25 @@ struct console_font_op {
unsigned int flags; /* KD_FONT_FLAG_* */
unsigned int width, height; /* font size */
unsigned int charcount;
unsigned char __user *data; /* font data with height fixed to 32 */
unsigned char __user *data; /* font data with vpitch fixed to 32 for
* KD_FONT_OP_SET/GET
*/
};
struct console_font {
unsigned int width, height; /* font size */
unsigned int charcount;
unsigned char *data; /* font data with height fixed to 32 */
unsigned char *data; /* font data with vpitch fixed to 32 for
* KD_FONT_OP_SET/GET
*/
};
#define KD_FONT_OP_SET 0 /* Set font */
#define KD_FONT_OP_GET 1 /* Get font */
#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */
#define KD_FONT_OP_COPY 3 /* Obsolete, do not use */
#define KD_FONT_OP_SET_TALL 4 /* Set font with vpitch = height */
#define KD_FONT_OP_GET_TALL 5 /* Get font with vpitch = height */
#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't recalculate hw charcell size [compat] */

3
include/uapi/linux/serial_core.h
View file

@ -207,6 +207,9 @@
/* Atheros AR933X SoC */
#define PORT_AR933X 99
/* MCHP 16550A UART with 256 byte FIFOs */
#define PORT_MCHP16550A 100
/* ARC (Synopsys) on-chip UART */
#define PORT_ARC 101

5
include/uapi/linux/serial_reg.h
View file

@ -44,6 +44,11 @@
#define UART_IIR_RX_TIMEOUT 0x0c /* OMAP RX Timeout interrupt */
#define UART_IIR_XOFF 0x10 /* OMAP XOFF/Special Character */
#define UART_IIR_CTS_RTS_DSR 0x20 /* OMAP CTS/RTS/DSR Change */
#define UART_IIR_64BYTE_FIFO 0x20 /* 16750 64 bytes FIFO */
#define UART_IIR_FIFO_ENABLED 0xc0 /* FIFOs enabled / port type identification */
#define UART_IIR_FIFO_ENABLED_8250 0x00 /* 8250: no FIFO */
#define UART_IIR_FIFO_ENABLED_16550 0x80 /* 16550: (broken/unusable) FIFO */
#define UART_IIR_FIFO_ENABLED_16550A 0xc0 /* 16550A: FIFO enabled */
#define UART_FCR 2 /* Out: FIFO Control Register */
#define UART_FCR_ENABLE_FIFO 0x01 /* Enable the FIFO */