diff options
Diffstat (limited to 'drivers/mcb')
| -rw-r--r-- | drivers/mcb/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mcb/mcb-core.c | 20 | ||||
| -rw-r--r-- | drivers/mcb/mcb-internal.h | 1 | ||||
| -rw-r--r-- | drivers/mcb/mcb-lpc.c | 15 | ||||
| -rw-r--r-- | drivers/mcb/mcb-parse.c | 6 |
5 files changed, 40 insertions, 3 deletions
diff --git a/drivers/mcb/Makefile b/drivers/mcb/Makefile index bcc7745774ab..77073c5928f4 100644 --- a/drivers/mcb/Makefile +++ b/drivers/mcb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MCB) += mcb.o diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c index 921a5d2a802b..bb5c5692dedc 100644 --- a/drivers/mcb/mcb-core.c +++ b/drivers/mcb/mcb-core.c @@ -418,6 +418,22 @@ void mcb_bus_add_devices(const struct mcb_bus *bus) EXPORT_SYMBOL_GPL(mcb_bus_add_devices); /** + * mcb_get_resource() - get a resource for a mcb device + * @dev: the mcb device + * @type: the type of resource + */ +struct resource *mcb_get_resource(struct mcb_device *dev, unsigned int type) +{ + if (type == IORESOURCE_MEM) + return &dev->mem; + else if (type == IORESOURCE_IRQ) + return &dev->irq; + else + return NULL; +} +EXPORT_SYMBOL_GPL(mcb_get_resource); + +/** * mcb_request_mem() - Request memory * @dev: The @mcb_device the memory is for * @name: The name for the memory reference. @@ -460,7 +476,9 @@ EXPORT_SYMBOL_GPL(mcb_release_mem); static int __mcb_get_irq(struct mcb_device *dev) { - struct resource *irq = &dev->irq; + struct resource *irq; + + irq = mcb_get_resource(dev, IORESOURCE_IRQ); return irq->start; } diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h index d6e6933b19f1..3602cb3b2021 100644 --- a/drivers/mcb/mcb-internal.h +++ b/drivers/mcb/mcb-internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MCB_INTERNAL #define __MCB_INTERNAL diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c index d072c088ce73..945091a88354 100644 --- a/drivers/mcb/mcb-lpc.c +++ b/drivers/mcb/mcb-lpc.c @@ -114,6 +114,12 @@ static struct resource sc24_fpga_resource = { .flags = IORESOURCE_MEM, }; +static struct resource sc31_fpga_resource = { + .start = 0xf000e000, + .end = 0xf000e000 + CHAM_HEADER_SIZE, + .flags = IORESOURCE_MEM, +}; + static struct platform_driver mcb_lpc_driver = { .driver = { .name = "mcb-lpc", @@ -132,6 +138,15 @@ static const struct dmi_system_id mcb_lpc_dmi_table[] = { .driver_data = (void *)&sc24_fpga_resource, .callback = mcb_lpc_create_platform_device, }, + { + .ident = "SC31", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEN"), + DMI_MATCH(DMI_PRODUCT_VERSION, "14SC31"), + }, + .driver_data = (void *)&sc31_fpga_resource, + .callback = mcb_lpc_create_platform_device, + }, {} }; MODULE_DEVICE_TABLE(dmi, mcb_lpc_dmi_table); diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c index ee7fb6ec96bd..7369bda3442f 100644 --- a/drivers/mcb/mcb-parse.c +++ b/drivers/mcb/mcb-parse.c @@ -182,7 +182,7 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, int num_cells = 0; uint32_t dtype; int bar_count; - int ret = 0; + int ret; u32 hsize; hsize = sizeof(struct chameleon_fpga_header); @@ -210,8 +210,10 @@ int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, header->filename); bar_count = chameleon_get_bar(&p, mapbase, &cb); - if (bar_count < 0) + if (bar_count < 0) { + ret = bar_count; goto free_header; + } for_each_chameleon_cell(dtype, p) { switch (dtype) { |