From 18d28819809909c3f24bb72183a901c5e332a63d Mon Sep 17 00:00:00 2001 From: Johannes Thumshirn Date: Tue, 3 May 2016 09:46:22 +0200 Subject: mcb: Correctly initialize the bus's device The mcb bus' device member wasn't correctly initialized and thus wasn't placed correctly into the driver model. Signed-off-by: Johannes Thumshirn Reviewed-by: Andreas Werner Tested-by: Andreas Werner Signed-off-by: Greg Kroah-Hartman --- include/linux/mcb.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'include/linux/mcb.h') diff --git a/include/linux/mcb.h b/include/linux/mcb.h index ed06e15a36aa..3efafbca166d 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -21,13 +21,12 @@ struct mcb_device; /** * struct mcb_bus - MEN Chameleon Bus * - * @dev: pointer to carrier device - * @children: the child busses + * @dev: bus device + * @carrier: pointer to carrier device * @bus_nr: mcb bus number * @get_irq: callback to get IRQ number */ struct mcb_bus { - struct list_head children; struct device dev; struct device *carrier; int bus_nr; -- cgit v1.2.3 From 803f1ca60d5c0107adfbce4e2d70488598b03a80 Mon Sep 17 00:00:00 2001 From: Johannes Thumshirn Date: Tue, 3 May 2016 09:46:23 +0200 Subject: mcb: export bus information via sysfs Export information about the bus stored in the FPGA's header to userspace via sysfs, instead of hiding it in pr_debug()s from everyone. Signed-off-by: Johannes Thumshirn Reviewed-by: Andreas Werner Tested-by: Andreas Werner Signed-off-by: Greg Kroah-Hartman --- include/linux/mcb.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/linux/mcb.h') diff --git a/include/linux/mcb.h b/include/linux/mcb.h index 3efafbca166d..ead13d233a97 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -15,6 +15,8 @@ #include #include +#define CHAMELEON_FILENAME_LEN 12 + struct mcb_driver; struct mcb_device; @@ -25,11 +27,18 @@ struct mcb_device; * @carrier: pointer to carrier device * @bus_nr: mcb bus number * @get_irq: callback to get IRQ number + * @revision: the FPGA's revision number + * @model: the FPGA's model number + * @filename: the FPGA's name */ struct mcb_bus { struct device dev; struct device *carrier; int bus_nr; + u8 revision; + char model; + u8 minor; + char name[CHAMELEON_FILENAME_LEN + 1]; int (*get_irq)(struct mcb_device *dev); }; #define to_mcb_bus(b) container_of((b), struct mcb_bus, dev) -- cgit v1.2.3