5
Line | |
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1 | /* |
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2 | * AMBA Plug & Play routines |
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3 | * |
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4 | * COPYRIGHT (c) 2011 |
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5 | * Aeroflex Gaisler |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.org/license/LICENSE. |
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10 | */ |
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11 | |
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12 | #include <grlib/ambapp.h> |
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13 | |
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14 | /* Get bus depth a device is located at */ |
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15 | int ambapp_depth(struct ambapp_dev *dev) |
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16 | { |
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17 | int depth = 0; |
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18 | |
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19 | do { |
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20 | dev = ambapp_find_parent(dev); |
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21 | depth++; |
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22 | } while (dev); |
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23 | |
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24 | return depth - 1; |
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25 | } |
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