7d8905d064
If the board we are guessing has been listed in black list we don't need to enable it twice. The associated driver, if any, will take care about proper initialization. To achieve this we split out two helper functions, i.e. serial_pci_is_class_communication() and serial_pci_is_blacklisted() which will be called before pcim_enable_device(). We can do this since PCI specification requires class, device and vendor ID registers to be always present in the configuration space. As an example what happens before this patch applied (These are some debug prints, don't search for them in kernel sources): serial 0000:00:04.1: Mapped GSI28 to IRQ28 serial 0000:00:04.2: Mapped GSI29 to IRQ29 serial 0000:00:04.3: Mapped GSI54 to IRQ54 8250_mid 0000:00:04.1: Mapped GSI28 to IRQ28 8250_mid 0000:00:04.2: Mapped GSI29 to IRQ29 8250_mid 0000:00:04.3: Mapped GSI54 to IRQ54 After we will have just last three lines out of above. 8250_mid 0000:00:04.1: Mapped GSI28 to IRQ28 8250_mid 0000:00:04.2: Mapped GSI29 to IRQ29 8250_mid 0000:00:04.3: Mapped GSI54 to IRQ54 While here, correct a value of error code mentioned in the comment of serial_pci_guess_board(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| hvc | ||
| ipwireless | ||
| serdev | ||
| serial | ||
| vt | ||
| amiserial.c | ||
| bfin_jtag_comm.c | ||
| cyclades.c | ||
| ehv_bytechan.c | ||
| goldfish.c | ||
| isicom.c | ||
| Kconfig | ||
| Makefile | ||
| metag_da.c | ||
| mips_ejtag_fdc.c | ||
| moxa.c | ||
| moxa.h | ||
| mxser.c | ||
| mxser.h | ||
| n_gsm.c | ||
| n_hdlc.c | ||
| n_null.c | ||
| n_r3964.c | ||
| n_tracerouter.c | ||
| n_tracesink.c | ||
| n_tracesink.h | ||
| n_tty.c | ||
| nozomi.c | ||
| pty.c | ||
| rocket.c | ||
| rocket.h | ||
| rocket_int.h | ||
| synclink.c | ||
| synclink_gt.c | ||
| synclinkmp.c | ||
| sysrq.c | ||
| tty_audit.c | ||
| tty_baudrate.c | ||
| tty_buffer.c | ||
| tty_io.c | ||
| tty_ioctl.c | ||
| tty_jobctrl.c | ||
| tty_ldisc.c | ||
| tty_ldsem.c | ||
| tty_mutex.c | ||
| tty_port.c | ||