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FMC DEL 1ns 4cha
Commit 694a988d authored by Federico Vaga's avatar Federico Vaga
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drv: do not use MFD to register device 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent f766048e
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Showing with 34 additions and 40 deletions
kernel/fmc-fine-delay-spec-core.c
View file @ 694a988d
......@@ -13,38 +13,29 @@ enum fd_spec_dev_offsets {
FD_SPEC_FDT_MEM_END = 0x0000E1FF,
};
/* MFD devices */
enum spec_fpga_mfd_devs_enum {
FD_SPEC_MFD_FDT = 0,
};
static struct resource fd_spec_fdt_res[] = {
{
.name = "fmc-fdelay-tdc-mem",
.flags = IORESOURCE_MEM,
.start = FD_SPEC_FDT_MEM_START,
.end = FD_SPEC_FDT_MEM_END,
}, {
.name = "fmc-fdelay-tdc-irq",
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
.start = 0,
.end = 0,
},
};
static const struct mfd_cell fd_spec_mfd_devs[] = {
[FD_SPEC_MFD_FDT] = {
.name = "fmc-fdelay-tdc",
.platform_data = NULL,
.pdata_size = 0,
.num_resources = ARRAY_SIZE(fd_spec_fdt_res),
.resources = fd_spec_fdt_res,
},
};
static int fd_spec_probe(struct platform_device *pdev)
{
static struct resource fd_spec_fdt_res[] = {
{
.name = "fmc-tdc-mem",
.flags = IORESOURCE_MEM,
},
{
.name = "fmc-tdc-irq",
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
};
struct platform_device_info pdevinfo = {
.parent = &pdev->dev,
.name = "fmc-fdelay-tdc",
.id = PLATFORM_DEVID_AUTO,
.res = fd_spec_fdt_res,
.num_res = ARRAY_SIZE(fd_spec_fdt_res),
.data = NULL,
.size_data = 0,
.dma_mask = 0,
};
struct platform_device *pdev_child;
struct resource *rmem;
int irq;
......@@ -60,21 +51,24 @@ static int fd_spec_probe(struct platform_device *pdev)
return -EINVAL;
}
/*
* We know that this design uses the HTVIC IRQ controller.
* This IRQ controller has a linear mapping, so it is enough
* to give the first one as input
*/
fd_spec_fdt_res[0].parent = rmem;
fd_spec_fdt_res[0].start = rmem->start + FD_SPEC_FDT_MEM_START;
fd_spec_fdt_res[0].end = rmem->start + FD_SPEC_FDT_MEM_END;
fd_spec_fdt_res[1].start = irq;
return mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO,
fd_spec_mfd_devs,
ARRAY_SIZE(fd_spec_mfd_devs),
rmem, irq, NULL);
pdev_child = platform_device_register_full(&pdevinfo);
if (IS_ERR(pdev_child))
return PTR_ERR(pdev_child);
platform_set_drvdata(pdev, pdev_child);
return 0;
}
static int fd_spec_remove(struct platform_device *pdev)
{
mfd_remove_devices(&pdev->dev);
struct platform_device *pdev_child = platform_get_drvdata(pdev);
platform_device_unregister(pdev_child);
return 0;
}
......
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